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How was iodine discovered

Discovering iodine Feature RSC Educatio

The fortuitous discovery of iodine. A letter Humphry Davy wrote to the Royal Society on 10 December 1813 from Paris provides some details of how Courtois made his discovery: This substance was accidentally discovered about two years ago by M. Courtois Iodine is a chemical element with the symbol I and atomic number 53. The heaviest of the stable halogens, it exists as a lustrous, purplish-black non-metallic solid at standard conditions that melts to form a deep violet liquid at 114 degrees Celsius, and boils to a violet gas at 184 degrees Celsius.The element was discovered by the French chemist Bernard Courtois in 1811, and was named two.

[p.257] Iodine, one of the most beautiful of all the elements, was first observed in 1811 by Bernard Courtois, who was born on February 8, 1777, in a house just across the street from the famous old Dijon Academy Although Courtois discovered iodine in 1811, it was Gay-Lussac who proved that it was a new element and gave it the name of iode from the Greek ioeides meaning violet colored Bernard Courtois (1977-1829) discovered iodine (1811) by accident using as a source of material for Napolean's gunpowder. William Prout, M.D. (1785-1859In 1816,) relates goiter therapy with seaweed to iodine, and suggested iodine as treatmen How Iodine was Discovered: Through a series of chemical reactions the iodine molecule was discovered. A scientist by the name of Barnard Courtois discovered the molecule. Courtois was working with..

Iodine - Wikipedi

  1. Iodine is a naturally occurring element found in sea water and in certain rocks and sediments. There are non radioactive and radioactive forms of iodine. Iodine is used as a disinfectant for cleaning surfaces and storage containers and is used in skin soaps and bandages, and for purifying water. Iodine is also added to some table salt to ensure that all people in the United States have enough.
  2. Bernard Courtois, a French chemist, accidentally discovered iodine in 1811 during the Napoleonic Wars. Courtois was helping his father manufacture saltpeter — an important component in gunpowder..
  3. Iodine is an essential element for humans, who need a daily intake of about 0.1 milligrams of iodide. Our bodies contain up to 20 milligrams, mainly in the thyroid gland. This gland helps to regulate growth and body temperature. Normally we get enough iodine from the food we eat
  4. Iodine was discovered by the French chemist Barnard Courtois in 1811. Courtois was extracting sodium and potassium compounds from seaweed ash. Once these compounds were removed, he added sulfuric acid (H 2 SO 4) to further process the ash. He accidentally added too much acid and a violet colored cloud erupted from the mass
  5. Iodine. Recall the discovery of iodine and its use as a means of preventing goiter, a gross enlargement of the thyroid gland in the neck. Iodine is essential for the synthesis of thyroid hormone, which regulates basal metabolism, growth, and development. Low iodine levels and consequently hypothyroidism has many signs and symptoms including.
  6. Iodine was first discovered by Barnard Courtois, a French chemist in 1811 while extracting potassium and sodium from seaweed ash. When he accidentally added sulfuric acid, a violet colored cloud evolved from the mass. The resulting gas was condensed into dark crystals-the first occurrence of observed solid iodine. Basic Informatio

Iodine was discovered by Bernard Courtois in 1811 in France. Courtois was trying to extract potassium chloride from seaweed. After crystallizing the potassium chloride, he added sulfuric acid to the remaining liquid. This, rather surprisingly, produced a purple vapor, which condensed into dark crystals Allen Reid and Albert Keston discovered iodine-125, which became important in the field of radioimmunoassay. 1946: Samuel M. Seidlin, Leo D. Marinelli and Eleanor Oshry treated a patient with thyroid cancer with iodine-131, an atomic cocktail. 194 Iodine-131 (131 I, I-131) is an important radioisotope of iodine discovered by Glenn Seaborg and John Livingood in 1938 at the University of California, Berkeley. It has a radioactive decay half-life of about eight days. It is associated with nuclear energy, medical diagnostic and treatment procedures, and natural gas production

Iodine is present naturally in soil and seawater. The availability of iodine in foods differs in various regions of the world. Individuals in the United States can maintain adequate iodine in their diet by using iodized table salt, by eating foods high in iodine, particularly dairy products, seafood, meat, some breads, and eggs, and by taking a multivitamin containing iodine (see below) Iodine University of Hawai'i at Mānoa Food Science and Human Nutrition Program and Human Nutrition Program. Recall the discovery of iodine and its use as a means of preventing goiter, a gross enlargement of the thyroid gland in the neck. Iodine is essential for the synthesis of thyroid hormone, which regulates basal metabolism, growth, and development Bernard Courtois, French chemist who discovered the element iodine. Courtois served as a pharmacist in the French Army and later joined his father's saltpetre business. In 1811 he added too much sulfuric acid to seaweed ash, a major raw material in saltpetre production, and obtained a violet vapou Iodine comes from the Greek word iodes, which means violet. Iodine vapor is violet-colored. The element was discovered in 1811 by French chemist Bernard Courtois. Courtois discovered iodine by accident while he was making saltpeter for use in the Napoleonic Wars. Making saltpeter required sodium carbonate. To get sodium carbonate, Courtois.

The Discovery of Iodine by Bernard Courtoi

  1. Iodine is a germicide - antibiotic, antibacterial, antiviral, antifungal and anticancer. It appears to help the body fight off many types of infection. This occurs partly by improving thyroid activity. However, iodine can also act as an anti-oxidant, according to researchers. IODINE AND CANCER.
  2. Kendall wrote: In brief, the compound containing iodine, the presence of which, as a normal constituent of the thyroid, as foretold by Baumann 19 years ago, has been isolated in pure crystalline form, and further, it has been shown that this compound is the substance in the thyroid which is responsible for the physiologic activity of the.
  3. Iodine-131 (131I) January 2003 Fact Sheet 320-085 Division of Environmental Health Office of Radiation Protection WHO DISCOVERED IODINE? Iodine was discovered by the French chemist Barnard Courtois in 1811. Courtois was extracting sodium and potassium compounds from seaweed ash. Once these compounds.
  4. Iodine was first discovered and isolated by French chemist Bernard Courtois in 1811. Courtois stumbled across iodine when running experiments on seaweed. It was French chemist Gay-Lussac who first named iodine as a new element and suggested the name
  5. On its own, iodine is a dark, shiny stone or a purple dye. However, it's generally found in invisible trace amounts in water and soil, or as part of other compounds in food. Your body uses iodine..

Iodine was discovered by Courtois of Paris in 1812 in the mother-liquors collected in the process of manufacturing the sodium salts from kelp or burnt sea-weeds. The name is derived from a Greek word meaning violet in allusion to the colour of the vapour of iodine. Its elementary character was established by Gay-Lussac in 1815 Iodine's chemical properties are similar to the lighter halogens above it, fluorine, chlorine, and bromine. But its physical appearance is very different. It is a steel-gray solid that changes into beautiful purple vapors when heated. Iodine was discovered in 1811 by French chemist Bernard Courtois (1777-1838)

The History of Iodine in Medicine Part I: From Discovery

The I-131 Story The History of Nuclear Medicine at

Lugol's iodine solution was discovered by Henri Lugol, a Paris physician, more than 150[21] years ago. It has been used therapeutically since then. Lugol's consists of 5% free iodine and 10% potassium iodide in water. Lugol's has a distinct advantage over most other iodine oral medications by having a high level of free iodine, which is th CIAAW. Iodine A r (I) = 126.904 47(3) since 1985 The name derives from the Greek iodes for violet because of its violet vapours. Iodine was discovered in seaweed by the French chemist Bernard Courtois in 1811, and named by the French chemist Louis-Joseph Gay-Lussac, when he proved it was an element in 1814 Iodine is a chemical element with symbol I and atomic number 53. The heaviest of the stable halogen s, it exists as a lustrous, purple-black metallic solid at a standard condition s that sublimes readily to form a violet gas. The elemental form was discovered by the French chemist Bernard Courtois in 1811

How was iodine-131 discovered? Study

Iodine was discovered by accident in 1811 by Bernard Courtois. When processing seaweed ash instead of wood ash to extract sodium salts, excessive sulfuric acid was added and a violet vapor was observed. Dark, lustrous crystals formed on the cooler parts of the vessel, which corroded it Iodine with the symbol 'I' is a dark gray or purple blackish nonmetallic element with atomic number 53 in the Periodic Table. It is the least reactive and most electropositive halogen, even though it can form compounds with many elements. It is mainly found on Earth as the water-soluble iodide in brine pools and oceans

Iodine I2 - PubChe

Iodine is an essential trace metal that the body requires to function properly and reduce the chances of thyroid cancer. This article discusses 11 amazing ways that the body can use iodine. A French chemist Barnard, discovered iodine in 1811, through accident Iodine-125 brachytherapy was used to treat 114 tumors from 1994 to 2010. Brachytherapy alone was used for 72 tumors, 39 post-surgery and 33 de novo [ 16 R]. A brachytherapy boost together with external beam radiotherapy was used for 42 tumors, eight post-surgery and 34 de novo. Tumors were in the tongue, floor of mouth, soft palate, and tonsils

Facts About Iodine Live Scienc

  1. Iodine is one of these products, but reports are conflicting as to the effectiveness and adverse effects of iodine in the treatment of wounds. A systematic review was performed of 27 randomised clinical trials, reporting on chronic, acute, burn wounds, pressure sores, and skin grafts
  2. Iodine is a common element found in the human body. Adverse reactions to iodine are rare, but they can be fatal when they do happen. Learn about iodine-induced hypersensitivity, including how to.
  3. s or.
  4. eral particularly vital for its function in the synthesis of thyroid hormones that aid the regulation of metabolic activities and the development of the central nervous system and the brain
  5. In the 4th century BC, before iodine had been discovered, Theophrastus, a pupil of Aristotle, recorded that iodine-rich seaweeds could be used to reduce the pain of sunburn4. One of the first antiseptic iodine preparations to be used in wound care was Lugol's solution containing elemental iodine and potassiu
  6. Iodine was first discovered by a Frenchman Bernard Courtois in 1811 while processing seaweed washed up on the coast of Normandy for the production of gunpowder during the Napoleonic Wars. Since then, it has become indispensible as a nutritional supplement, disinfectant and medical radiological isotope
  7. iodine is the key constituent element in the majority of contrast media used for CT and fluoroscopy. iodine isotopes have been widely employed as radiotracers in nuclear medicine, both as diagnostic and therapeutic agents. iodine-123: diagnostic imaging of the thyroid. both iodine-125 and iodine-131 have been used to treat thyroid cancer

Iodine is an essential mineral commonly found in sea food. Iodine plays an important role in proper functioning of thyroid hormone in the human body. Discovery and History. During Napoleonic Wars, Bernard Courtois, a French chemist discovered Iodine in 1811, while he was extracting sodium and potassium compounds from seaweed ash Properties . Iodine has a melting point of 113.5°C, a boiling point of 184.35°C, a specific gravity of 4.93 for its solid state at 20°C, a gas density of 11.27 g/l, with a valence of 1, 3, 5, or 7. Iodine is a lustrous blue-black solid which volatizes at room temperature into a violet-blue gas with an irritating odor. Iodine forms compounds with many elements, but it is less reactive than.

Iodine fortification is what most countries rely on to encourage adequate dietary intake. In the more than 70 countries that iodize salt, it generally serves as the major source of iodine intake. One-fourth of a teaspoon of iodized salts has about 100 micrograms of iodine. Note that the salt used in processed foods, which is the major source of. Iodine: biological data. Human abundance by weight: 200 ppb by weight; In nature, iodine exists as iodide ions, I-, and it is as iodide that it is taken into our bodies.Iodine is an essential component of the human diet and in fact appears to be the heaviest required element in the diet Iodine forms compounds with many elements, but is less active than the other halogens. It dissolves readily in chloroform, carbon tetrachloride, or carbon disulfide. Iodine compounds are important in organic chemistry and very useful in the field of medicine. Iodine was discovered and first isolated by Bernard Courtois in 1811

A novel way to immobilize radioactive forms of iodine using a microwave has been discovered. Iodine radioisotopes are produced by fission of uranium fuel in a nuclear reactor. Radioactive iodine. Iodine is an important mineral, though few food sources are rich in it. This is why many people around the world are at risk of developing a deficiency . The foods highest in iodine include. (As public health officials discovered when salt was iodized in the 1920s, some iodine-deficient people respond poorly to a sudden and dramatic increase in iodine intake.) Roth hopes the findings could someday be applied to improve the health of patients facing a tsunami of inflammation — including, perhaps, people experiencing a COVID-19. Iodine was discovered in France. Look at Wikipedia. Iodine is a chemical element that has the symbol I and atomic number 53

Iodine - Element information, properties and uses

  1. French chemist who discovered iodine: Barnard __ . CodyCross is an addictive game developed by Fanatee. Are you looking for never-ending fun in this exciting logic-brain app? Each world has more than 20 groups with 5 puzzles each. Some of the worlds are: Planet Earth, Under The Sea, Inventions, Seasons, Circus, Transports and Culinary Arts.Continue reading 'French chemist who discovered.
  2. Iodine is an element that's required for the thyroid gland to produce thyroid hormones. Since the body does not produce iodine on its own, it needs to come from dietary sources—and striking the right balance is key. Inadequate levels or overconsumption of iodine can lead to or worsen thyroid disease, as well as cause other significant health.
  3. Ammonium nitrate and iodine: A look back at the explosive history of two essential substances. by Barbara Demeneix, The Conversation. Ammonium nitrate in granular form is the basis for many.
  4. es closed in the 1930s, the source.
  5. They demonstrated that this iodine deficiency was due to a low iodine dietary intake and raised the concern of low iodine water intake. They pointed out that during this period three of the world's largest seawater reverse osmosis (SWRO) plants were built in Israel and supplied drinking water to an increasing proportion of the Israeli population
  6. Iodine 131 Radioactive iodine : A dangerous and short lived fission product. Iodine 131 is a radioisotope with a very short half-life of 8.02 days, making it highly radioactive. Frequently used in small doses in thyroid cancers therapies, it is also one of the most feared fission products when accidentally released into the environment

Iodine I (Element) - PubChe

Povidone-iodine is a common antisep. Povidone is found in both medical and household items and can cause mild symptoms with large ingestions. Povidone-iodine is a common antiseptic used to disinfect the skin, eyes, and vagina. When used correctly, povidone-iodine might cause mild side effects, but it can cause major problems when used incorrectly Foods rich in Iodine . Seaweed . Foods from the Ocean:Since iodine occurs in ocean sediments and ocean water, top sources include seafood, shellfish, and sea vegetables or seaweed such as wakame, dulse, or nori - which are iodine superfoods.A sheet of seaweed may contain between 16-3,000 mcg of iodine. Unfortunately, food from the ocean can be subject to various pollutants Iodine Clock Reaction. Introduction. The iodine clock reaction is a classical chemical clock demonstration that displays chemical kinetics in action. It was first discovered by Hans Heinrich Landolt in 1886, so many texts may refer to it as the Landolt Reaction. In this experiment, two colorless solutions are mixed A very explosive compound of nitrogen and iodine, discovered by Courtois in 1812, was investigated later by Serullas, who prepared it by the action of an alcoholic solution of iodine on aqueous ammonia. The action of strong ammonia solution on solid iodine also produces the substance as a black powder, which can be filtered off

The iodine clock reaction is a classical chemical clock demonstration experiment to display chemical kinetics in action; it was discovered by Hans Heinrich Landolt in 1886. The iodine clock reaction exists in several variations, which each involve iodine species and redox reagents in the presence of starch On This Day - November 29 : The discovery of iodine (I) was announced on this day in 1813. The discovery was made during the process of producing potassium nitrate for gunpowder and was made public in a meeting of the Imperial Institute of France. Its name is derived from the Greek 'iodes' meaning violet. Iodine podcast iodine is a P block element on the periodic table of elements. history of iodine. iodine was discovered by a french chemist named barnard courtois in 1811. courtois was EXTRACTING sodium and potassium COMPOUNDS from seaweed ash. once these COMPOUNDS were removed he added sulfric acid to further process the ash. he accidentally added too much.

iodine - iodine - Physical and chemical properties: Iodine is a nonmetallic, nearly black solid at room temperature and has a glittering crystalline appearance. The molecular lattice contains discrete diatomic molecules, which are also present in the molten and the gaseous states. Above 700 °C (1,300 °F), dissociation into iodine atoms becomes appreciable Iodine is required during pregnancy and infancy for the infant's healthy growth and cognitive development 9. Globally an estimated 1.8 billion people have insufficient iodine intake. Iodine content in most foods and beverages is low. Fortifying salt with iodine is a successful intervention - about 86% of households worldwide consume iodized. Japanese researchers have discovered patients with hypothyroidism who were taking 20 mg. of iodine or more daily. Another valuable iodine preparation is saturated solution of potassium iodide. This does not have the correct ratio of iodine iodide recommended by Dr.Abrahams for correcting iodine deficiency but it does have a multitude of. Iodine — Why You Need It; Why You Can't Live Without It. Some of you must wonder why we have focused on Iodine so much. The answer is very simple and comes in three parts: Iodine is an essential nutrient; essential to wellness. Iodine deficiency is rampant in the US. Iodine deficiency is ridiculously simple to cure Development Fingerprints: Iodine Fuming. Iodine fumes adhere to grease or oils on porous surfaces and appear as a yellow stain. Place a spoon of iodine crystals in the fuming chamber. Place the specimen (piece of paper with a fingerprint) to be processed in the fuming chamber. Wait for 5-10 min

Iodine fuming has been used since the turn of the 20th century to develop latent fingerprints on porous surfaces, particularly paper. Iodine fuming is still widely used because it is inexpensive and easy, sensitive, and is non-destructive because the stains it produces are ephemeral. If it is used at all, iodine fuming is normally the first processing method attempted Iodine was discovered by accident by the son of a saltpeter manufacturer, Bernard Courtois, in 1811. This was thanks partially to the Napoleonic Wars which resulted in saltpeter, for gunpowder, being in high demand (the Napoleonic Wars also helped give us canned food and cheap and easily made pencils , read more at the links) Especially after the new information I've discovered while researching my latest book. I'm Dr. Alan Christianson, NYT best-selling author & naturopathic physician, father of 2, and happy husband. You can call me Dr. C for short. I created Invisible Iodine based on newly revealed scientific data plus 100,000+ patient visits

Virtually all of the iodine in the body is found in the thyroid glands, which import dietary iodine/iodide and store it as thyroxines. So, when there is a nuclear accident 131 I heads straight for the thyroid gland (just like plain old stinky iodine) where it can easily cause thyroid cancer IODINE succeeds in verifying various open source hardware designs in seconds and with little developer effort. IODINE also discovered two constant-time violations: one in a floating-point unit and another one in an RSA encryption module. Klaus v. Gleissenthall, University of California, San Diego Iodine-based contrast media used in medical imaging and their development. The largest group of contrast media used in imaging departments are the water-soluble organic preparations in which molecules of iodine are the opaque agent. These compounds contain iodine atoms (iodine has an atomic number of 53) bound to a carrier molecule

Iodine was discovered by a French chemist called Barnard Courtois in 1811. He was extracting the compounds of sodium and potassium from the seaweed ash after which he added sulfuric acid (H2SO4. Discovered in 1811 by Bernard Courtois In 1811, Bernard Courtois accidentally discovers iodine during an unsuccessful attempt to manufacture gunpowder. 1934. First produced in 1934 by Enrico Fermi Radioiodines first produced by Enrico Fermi in 1934 1938. Glenn Seabourg, John Livingood officially discover iodine 131 in 1938. The sun rises over caribou on the Alaskan coastal tundra. Image credit: Kerri Pratt ANN ARBOR—For the first time, scientists have measured molecular iodine in the atmosphere of the Arctic and discovered that it is being released by the Arctic's snowpack in the changing polar climate, according to research led by the University of Michigan Department of Chemistry Iodine is found in some medicines, cough syrups, seaweed and seaweed-based supplements. Taking too much of them can cause your thyroid to make too much thyroid hormone. Too much thyroid medicine. This can happen if people who take thyroid hormone medicine for hypothyroidism (underactive thyroid) take too much of it Who discovered iodine-131? Halogens: Halogens are a group of chemical elements in the periodic table of elements. The group is composed of elements including fluorine, chlorine, bromine, iodine.

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To increase the effectiveness of your upcoming radioactive iodine therapy, you may be prescribed a low iodine diet. Iodine is used in the care and feeding of animals and as a stabilizer and/or safety element in food processing. Therefore, it may be found in varying amounts in all food and beverages. The highest sources (and those to be avoided) are iodized salt, grains and cereals, some breads. A) niacin. B) thiamin. C) riboflavin. D) vitamin B12. A. Eric plays soccer and runs track. He relies on sports gels, candy, and soda for quick energy boosts after his games and track meets. Based on his activity level and snack preferences, he has an increased risk for: A) B-vitamin deficiency

The History of Iodine - Iodine Source - Your resource for

Astatine is a highly radioactive element and the heaviest member of halogen family. It was discovered in 1940. History and Discovery. The existence of astatine was predicted in the halogen family under iodine by Dmitir Mendellev (1869) and by Neild Bohr Infoplease knows the value of having sources you can trust. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts

Iodine - Human Nutritio

Eventually the addition of iodine to salt solved the problem. The role of iodine began to be clarified in 1896 when it was shown to be present in the thyroid gland. Finally in 1914 Calvin Kendall isolated thyroxin, a thyroid hormone which had four iodine atoms incorporated into its molecular structure Clue is: French Chemist Who Discovered Iodine: Barnard __ and the full answer is: Courtois while on your crossword you should type: COURTOIS. If you will find a wrong answer please write me a comment below and I will fix everything in less than 24 hours. If you need all answers from the same puzzle then go to: The 80s Puzzle 3 Group 785 Answers Iodine-131 is a radioactive isotope with a half-life of 8 days. It is used medically to diagnose abnormalities of the thyroid gland. It is also a component of fallout produced by nuclear explosions. Iodine was discovered in 1811 by Bernard Courtois

Iodine - Wikiquote

Iodine is a chemical element with symbol I and atomic number 53. The name is from Greek ioeidēs, meaning violet or purple, due to the color of elemental iodine vapor.1 Iodine and its compounds are primarily used in nutrition, and industrially in the production of acetic acid and certain polymers. Iodine's relatively high atomic number, low toxicity, and ease of attachment to organic compounds. That's because back in the 1920s, researchers discovered that people in certain areas of the country were developing goiters, or enlarged thyroid glands, due to iodine deficiency. The solution

Low-Iodine Cookbook. More than 340 delicious recipes, plus tips, snack lists, and easy meal ideas, to put variety and excitement into the short-term low-iodine diet before a radioiodine scan or RAI treatment. FREE French Chemist Who Discovered Iodine Barnard Exact Answer for CodyCross The 80s Group 785 Puzzle 3. Answer for French Chemist Who Discovered Iodine Barnard. COURTOIS. Previous. Next . Same Puzzle Crosswords. Hurried Tommy , American Fashion Designer Devoted Fan Of Justin Bieber. Iodine trichloride is an interhalogen compound of iodine and chlorine. It is bright yellow and in the solid state is present as a planar dimer , , with two bridging atoms. It can be prepared by reacting iodine with an excess of liquid chlorine at −70 °C. In the melt it is conductive, which may indicate dissociation Bladderwrack and other seaweeds are iodine-rich foods, so consuming them is an easy way to maintain healthy levels of this important nutrient. One of the most well-known benefits of iodine is its ability to support thyroid health. The thyroid needs enough iodine to make important hormones like thyroxine Fueled by a newly discovered process to stabilize the nascent iodine in an activated tri-iodine form, X-3 is a new version of the fan-favorite formula. Discover the power of activated tri-iodine's true nascent amplitude potential

Iodine (I) - Discovery, Occurrence, Production, Properties

D) Iodine Clock Reaction: 1. 3 test tubes are labelled A, B and C respectively. 2. Using a micropipette, 2.00cm3 of 0.01M potassium iodide solution is transferred into test tube A. 3 Iodine deficiency is of public health concern because iodine is an essential component of the thyroid hormones, thyroxine and tri-iodothyronine, that are required for brain and neurological development of the fetus (Reference Zimmermann 1).Recent UK evidence suggests that even mild-to-moderate iodine deficiency during early pregnancy is associated with impaired child cognition, with lower. Betadine ® Solution (povidone-iodine, 10%) Antiseptic Non-Sterile Solution A topical aqueous solution of 10% povidone-iodine. Povidone-iodine, the active ingredient in Betadine ® products, is active against a wide variety of pathogens in vitro. Compound of silver, iodine and oxygen split by a chemist. Remove iodine to add oxygen elsewhere makes it illegal - still you can get it in the chemist. Chemist and surgeon who discovered how to make soda ash from common salt during the french revolution. Nicolas --, french chemist who discovered how to manufacture soda ash from common salt

Magnesium - WikipediaIodineBoron: a water-soluble element found in the earth'sJrs