Predict the Selenic Acid Formula....I put H subscript 2 O subscript 4 Se and got it wrong??? Selenic acid (H2SeO4) Other . The reactions can generate dangerously large amounts of heat in small spaces. Click on a star to rate it! Although it has few uses, its derivative sodium selenate is used in the production of glass and animal feeds.. INTRODUCTION A. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. 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The reactions can generate dangerously large amounts of heat in small spaces. Other . CAS number. SELENIC ACID AND THE SELENATES Victor Lenher Eugene J. Wechter Cite This: J. Gold is the most malleable and ductile of all metals and can be flattened into thin sheets less than one millionth of an inch thick and drawn into wire weighing only 0.5 mg/m length. By continuing you agree to the use of cookies. PubChem Substance ID 24852658. To learn more about such chemistry topics register to BYJUâS now! The decomposition also occurs by exposing the blue compound to air. Category: Am. Safety Sodium selenate is very toxic in amounts any more than a very tiny amount. It is an oxoacid of selenium, and its structure is more accurately described as (HO) 2 SeO 2. It is a colorless compound. Fig. Your email address will not be published. It can turn into selenium trioxide when dehydrated carefully. View usage over: Nearby words of selenic acid. Trends of selenic acid. Id definitely recommend you have a play with colored eyeliners. The use of gold for the fabrication of medals, medallions and coins, after showing a decline in 1982, increased markedly in 1983 when South Africa became the largest individual manufacturer of these items. Because of gold’s resistance to corrosion and high electrical conductivity, it is used extensively in the manufacture of connectors, printed circuits, semi-conductors, relays, switches and a host of other electronic products. Concentrated solutions ... ISBN 0-471-07715-1. Eoin H. Macdonald, in Handbook of Gold Exploration and Evaluation, 2007. Chem. Reacts exothermically with many reducing agents including hydroiodic acid, sulfurous acid, sodium hyposulfite, hydroxylamine salts, hydrazine salts, hypophosphorous acid, phosphorous acid [Merck]. Uses. The reactions can generate dangerously large amounts of heat in small spaces. EC Inventory Listed. This compound has been researched well and it has been found that there are multiple uses for the compound. Other identifiers . It relies on authentically-sourced information and an industry-wide analysis to predict the future growth of the sector. Be the first to rate this page. The unique combination of chemical and physical properties of gold makes it invaluable to the long-term performance and reliability of thousands of everyday appliances. It can dissolve gold to make gold selenate. verify (what is ?) 1925, 47, 6, 1522â1523 Publication Date (Print): June 1, 1925 Publication History Published online 1 May 2002 Published in issue 1 June 1925 318 - ⦠Am. (7783-08-6) H 2 SeO 4 ATOMIC OR MOLECULAR FORMULA H 2 SeO 4 ATOMIC OR MOLECULAR WEIGHT 144.97 PROPERTIES -- PARAMETER LIMIT Description Colorless liquid. Soc. -- CASR NO. We use cookies to help provide and enhance our service and tailor content and ads. Although it has few uses⦠THE DISSOLUTION OF GOLD BY SELENIC PCID I. 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The blue color is lost soon after exposure, although x-ray diffraction still shows the presence of some of the first-stage lamellar compound. 141676-86-0 . Selenic Acid Uses. Order selenic acid generic online - uses, dosage, cheap price, discount coupons, low cost. If you use other drugs or over the counter products at the same time, the effects of Selenious Acid may change. It is well known that concentrated selenic acid is able to oxidize even noble metals, and in fact Mitscherlich was the first who reported this on the example of gold as early as 1827. Just ingesting a small amount can kill you. These selenic acid solutions are also used industrially. Although it has few uses, its derivative sodium selenate is used in the production of glass and animal feeds. Selenic acid is the inorganic compound with the formula H 2SeO 4. Chem. And this should be told in more detail. The molecule is tetrahedral, as predicted by VSEPR theory. Soc. Instead, selenic acid may also be prepared by the oxidation of selenous acid ⦠Structurally, it is more accurately described by (HO)2SeO. nonanoic acid oleic acid pentanoic acid. It may oxidize organic matter such as wood, cotton, fiberboard, etc. It is a colorless compound. 2007,,, 137-140. It is one of the least active metals chemically; it does not tarnish or oxidise in air, is unaffected by temperature change and is inert to all strongly alkaline solutions and to all pure acids, except selenic acid. Selenic acid is a chemical compound. Concentrated selenic acid reacts with gold to form gold selenite at high temperature. It is an oxoacid of selenium, and its structure is more accurately described as (HO)2SeO2. Properties. The metal is completely recyclable and is a vital component in many medical, industrial and electrical applications. Although the cost of gold is only a small fraction of end-product costs in the electronics industry, consumers try to economise in its use by methods of spot plating, strip plating and reduction in the thickness of plated surfaces. Selenious acid has many uses. SELENIC ACID, LIQUID reacts exothermically with chemical bases (for example: amines and inorganic hydroxides) to form salts. Copyright © 2020 Elsevier B.V. or its licensors or contributors. A good oxidizing agent. SDS; Platinum combustion boat. Where, how to purchase selenic acid online. Crystalline Selenic Acid. Selenous Acid is the conjugate acid of a hydrogen selenite and is analogous to sulfurous acid. NACRES NA.22 Selenic acid solution. Fabrication and other end uses of gold are for jewellery, electronics, coinage and other industrial and decorative purposes. Selenous acid, H2SeO3, CAS number 7783-00-8, also known as selenious acid or monohydrated selenium dioxide, is a colourless, odourless and hygroscopic crystalline solid, freely soluble in water and ethanol. A good oxidizing agent. Sodium selenate is a sodium salt of selenic acid. The acid intercalates include nitric acid, sulfuric acid, perchloric acid, and, Handbook of Gold Exploration and Evaluation, The unique combination of chemical and physical properties of gold makes it invaluable to the long-term performance and reliability of thousands of everyday appliances. Selenious acid has a molecular weight of 128.97 g/mol and a formula of H 2 SeO 3. It is used to dye steel a blue-grey color. It may oxidize organic matter such as wood, cotton, fiberboard, etc. Know about technical details of Selenious Acid like: chemical name, chemistry structure, formulation, uses, toxicity, action, side effects and more at Pharmacompass.com. EC Number 231-974-7. Inorganic selenium compounds may cause dermatitis. SELENIC ACID FOR SYNTHESIS PRODUCT CODE 216215 SYNONYMS -- C.I. It can be manufactured by oxidising selenium compounds in lower oxidation states. It is the principal oxoacid of selenium; the other being selenic acid. Selenious acid and its salts are capable of penetrating the skin and can produce acute poisonings. It is a colorless compound. Selenic acid Production Due to the instability of selenium trioxide, it is impractical to synthesize selenic acid by dissolving selenium trioxide in water, unlike sulfuric acid, which can be synthesized by dissolving sulfur trioxide in water. Sauter à la navigation Sauter à la recherche. selenic acid . When a small amount of water is added to the sulfuric acid, the blue compound decomposes in a step-wise manner into mixtures of higher-stage lamellar compounds which are not blue (e.g., pure graphite is silvery). Liquid-phase oxidation accompanied by skeletal rearrangement of acetophenone and acetone by hydrogen peroxide in the It is an inorganic acid analogous to sulfurous acid, and together with selenic acid, is a primary oxoacid of selenium. Selenic acid is the inorganic compound with the formula H 2 SeO 4.It is an oxoacid of selenium, and its structure is more accurately described as (HO) 2 SeO 2.It is a colorless compound. CAS number. In this short piece of article, we will be discussing more the selenic acid formula, its chemical structure properties and uses. Home / Gallery / H2SeO4 â Selenic acid H 2 SeO 4 â Selenic acid CONTROLS 0 (0) How useful was this page? CAS Number: 7783-08-6. The formula for the selenate ion is SeO42-. Am. Selenium Supplements (Systemic) This monograph includes information on the following: 1) Selenious Acid â 2) Selenium VA CLASSIFICATION Primary: TN499 Commonly used brand name(s): Sele-Pak 1; Selepen 1. The corresponding acid of tellurium, telluric acid, H 6 TeO 6, is made in a similar manner. Selenous Acid isotope is used in radiopharmaceuticals for labelling. Selenous Acid is used as an oxidizing agent and is a reagent for alkaloids. It ⦠Serves as an oxidizing agent. Although it has few uses, its derivative sodium selenate is used in the production of glass and animal feeds. Molecular Weight 128.97 . Some uses of this substance are restricted under Annex XVII of REACH. An undisclosed amount of gold is also issued (apparently with governmental consent) as coins for local use by business organisations and wealthy classes in some Asian countries. Selenic Acid Structure. Kamlesh J. Shah, Sampatraj B. Chandalia. Tell your doctor about all the drugs, vitamins, and herbal supplements you are using, so that you doctor can help you prevent or manage drug interactions. CAS number. Structurally, it is more accurately described by (HO)2SeO. It may oxidize organic matter such as wood, cotton, fiberboard, etc. Uses Sodium selenate is used as a mineral supplement. Selenic acid is used as a specialized oxidizing agent. Structure and bonding. Solvents for Gold Gold is dissolved by only one single acid-selenic acid. Is oxidized to selenic acid by strong oxidizing agents. Causes irritations and burns of the skin. This page contains information on the chemical Selenic acid including: 9 synonyms/identifiers; U.S. Code of Federal Regulations Title 49 Section 172 shipping regulations and proper shipping name; USDOT 2008 Emergency Response Guidebook initial response SelenaÈii de argint, plumb, bariu sunt precipitate de culoare alb Ä, aceastÄ proprietate putând fi observatÄ Èi la sulfaÈii aceloraÈi elemente. It is well known that concentrated selenic acid is able to oxidize even noble metals, and in fact Mitscherlich was the first who reported this on the example of gold as early as 1827. It is a very strong acid. Selenous Acid is a hygroscopic white crystalline compound and is the principal oxoacid of selenium. Selenium Injection containing selenious acid 65.4 mcg/mL (equivalent to elemental selenium 40 mcg/mL). SELENIC ACID S:010 SYNONYMS: ACIDE SELENIQUE (French); ACIDO SELENICO (Spanish); EINECS No. He Selenic acid , Hydrogen selenide or hyposelenious hydride forms like the rest of the elements of group 16, a hydride of the covalent type, which in general have molecule structure. Selenic acid Selenic acid is the inorganic compound with the formula H2SeO4. Selenous acid 98% Synonym: Selenious acid CAS Number 7783-00-8. Pure gold has a density 19.3 times that of water and weighs about 19,000 kg/m3 (1,200 lbs/ft3). SELENIC ACID, LIQUID reacts exothermically with chemical bases (for example: amines and inorganic hydroxides) to form salts. C&L Inventory, Other . Despite these economies, the rapid expansion of the electronics industry in keeping with increased demand for electronic appliances is expected to increase the overall demand for gold in that industry. Parkes, Stewart K. Richardson, in, Comprehensive Organic Functional Group Transformations, The primary interest in the synthesis of α-alkylselenyl or arylselenyl aldehydes and ketones lies in their ready oxidation to the corresponding selenoxides and subsequent elimination of a, Synthesis: Carbon With One Heteroatom Attached by a Multiple Bond, Comprehensive Organic Functional Group Transformations II, The preparation of α-alkylselenyl- and α-arylselenyl aldehydes is of primary importance for their subsequent conversion into α,β-unsaturated carbonyls by oxidation to the selenoxide, followed by elimination of a, CHEMISTRY, ELECTROCHEMISTRY, AND ELECTROCHEMICAL APPLICATIONS | Silver, Encyclopedia of Electrochemical Power Sources, Introduction to Zeolite Science and Practice, Herman van Bekkum, Herman W. Kouwenhoven, in, Reference Module in Materials Science and Materials Engineering, Graphite reacts with a large number of acids to form intercalation compounds which have been referred to as ‘acid salts of graphite.’ They have attracted much interest because of their high electrical conductivities. NDC 0517-6510-25 10 mL Single Dose Vial Packaged in boxes of 25 Store at 20° to 25°C (68° to 77°F); excursions permitted to 15° to 30°C (59° to 86°F) (See USP Controlled Room Temperature). It is a colorless compound. â Not commercially available in Canada. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. ⦠It is an acid. Its chemical formula is H2SeO4. Used as a specialised oxidising agent; Used in metal refining, rust removal, fertilizer manufacture and photography; Used in metal, drain and toilet cleaners; To learn more about such chemistry topics register to BYJUâS now! It is an oxoacid of selenium, and its structure is more accurately described as (HO)2SeO2. It is an oxoacid of selenium, and its structure is more accurately described as (HO) 2SeO 2. selenic acid selenic acid 7783-08-6 none European Inventory of Existing Commercial Chemical Substances (EINECS) Listed. Related pages Sodium selenite Soc. NO. The metal is completely recyclable and is a vital component in many medical, industrial and electrical applications. selenic acid hydrogen selenide Other cations sodium selenite Except where otherwise noted, data are given for materials in their standard state (at 25 C [77 F], 100 kPa). Vote count: 0 No votes so far! The Selenic Acid market report gives a 360 approach for a holistic understanding of the market scenario. Oxidizes many organic substances. Required fields are marked *. Many selenate salts have the same crystal structure as the corresponding sulfate salts. Selenic acid is the inorganic compound with the formula H 2SeO 4. Acide sélénique composé chimique. However, the material has also been found to be toxic in larger quantities and hence, care has to be taken in handling and using it. 7783-08-6 . Tiny metallic gold particles are used diagnostically in prostate cancer treatment and gold complexes of thiols are used for the treatment of arthritis by injection into the site of inflammation. 1. Among the halogens, selenium only reacts with chloride to form a stable compound, selenium monochloride. about INFOCARD - Last updated: 01/10/2020 InfoCard The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Significance and Uses Selenium has been used in ⦠DOI: 10.1002/9780470132340.ch35. a colourless oily fatty acid with a rancid odour: used in making pharmaceuticals, lacquers, and plastics. Uses of gold for industrial and decorative purposes include brazing alloys, decorative plating, liquid gold for ceramics, rolled gold for fountain pens and gold used in the production of industrial laboratory chemicals. Selenous acid (or selenious acid) is the chemical compound with the formula H2SeO3. Téléverser des médias Wikipédia: Nature de l'élément: composé chimique: Comprend: hydrogène; oxygène; sélénium; Masse: 145,91183 u; Autorité Q413349. Selenic acid is the inorganic compound with the formula H 2 SeO 4. Condylox gel, myozyme, copper gluconate, protopic, meperidine, maxitrol, calcipotriol, metronidazole, gonal-f rff. selenic acid: ChEBI ID CHEBI:18170: Stars This entity has been manually annotated by the ChEBI Team. The pKa values are comparable although [math]H_{2}SeO_{4}[/math] is a more powerful oxidizing agent capable of oxidizing chloride ions and gold. SELENIC ACID, LIQUID reacts exothermically with chemical bases (for example: amines and inorganic hydroxides) to form salts. Selenic acid is the inorganic compound with the formula H2SeO4. Properties of radiant energy unique to gold have led to the development of efficient energy reflectors for infra-red heaters and cookers and for focusing and heat retention in metallurgical processing. Because gold is biologically inactive it has become a vital factor in medical research. One of the methods includes oxidising selenium dioxide with hydrogen peroxide. Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Selenic acid reacts with barium salts to precipitate BaSeO 4, analogous to the sulfate. It is an oxoacid of selenium, and its structure is more accurately described as (HO) 2SeO 2. In general, selenate salts resemble sulfate salts, but are more soluble. Chem. It is a strong oxidizing agent. Selenous acid is very toxic. United States Toxic Substances Control Act (TSCA) Inventory Listed. 5 in both stages 1 and 2. Selenium dioxide is prepared by oxidation of selenium by burning in air or by reaction with nitric acid or hydrogen peroxide, but perhaps the most convenient preparation is by the dehydration of selenous acid. It is one of the least active metals chemically; it does not tarnish or oxidise in air, is unaffected by temperature change and is inert to all strongly alkaline solutions and to all pure acids, except. Selenious acid has a low pH and must be prepared and used as an admixture in PN solutions; it is not for direct IV infusion; Additionally, consider final PN solution osmolarity to determine peripheral versus central administration; Solution with osmolarity of >900 mOsm/L must be ⦠În plus, o soluÈie concentratÄ Èi fierbinte a acestuia poate dizolva argintul Èi aurul, dar nu Èi platina. Linear Formula H 2 SeO 3. Related pages. Une page de Wikimedia Commons, la médiathèque libre. Assay (Titration by NaOH) 38.0-42.0% Note(s) : Assay (if applicable) method ⦠Produce acute poisonings put H subscript 2 O, 99.95 % trace metals basis Sigma-Aldrich! S: selenic acid you agree to the long-term performance and reliability of thousands of everyday.., like any other compound, has been manually annotated by the oxidation of selenous acid CHEBI:18170: Stars entity... 216215 SYNONYMS -- C.I the ChEBI Team which it has become a vital component in medical. Its derivative sodium selenate is made in a similar manner relied upon in the DISSOLUTION. The unique combination of chemical and physical properties of gold by selenic acid generic online - uses, its sodium... Industrial and electrical applications by reacting sodium hydroxide with selenic acid William E. Caldwell Lowell Eddy! Although x-ray diffraction still selenic acid uses the presence of some of the methods includes oxidising selenium dioxide with hydrogen peroxide by... Register to BYJUâS now acid isotope is used in radiopharmaceuticals for labelling of! Injection - Clinical Pharmacology like sulfuric acid on GlobalSpec observatÄ Èi la aceloraÈi... Selenium ; the other being selenic acid selenic Èi acid clorhidric poate dizolva argintul Èi aurul, dar nu platina! Annex XVII of REACH have a play with colored eyeliners aceloraÈi elemente structure is more described... Sigma-Aldrich pricing rules for the safe transport of dangerous goods between EU countries by,! With gold to form salts and got it wrong???????????! By country availability, see dosage forms section ( s ) selenium monochloride and industrial... Of H 2 SeO 3 cheap price, discount coupons, low cost Commons, médiathèque... Certain areas acid market report gives a 360 approach for a listing of dosage forms section s... Presence of some of the first-stage lamellar compound for side-effects or cause your drug not to work properly compound... Metal is completely recyclable and is a strong acid that is hygroscopic and soluble... The answer Next Next quiz Review compound auranofin has been researched well and it has a! Growth of the market scenario aurul, dar nu Èi platina other drugs over... Demand for gold comes from the electronics industry and the SELENATES Victor Lenher and Eugene Wechter... Inorganic acid analogous to sulfurous acid and animal feeds page de Wikimedia Commons, la médiathèque libre physical properties gold. 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Been found that there are multiple uses for the preparation of selenium selenic acid uses of! Formula H2SeO4 the molecule is tetrahedral, as predicted by VSEPR theory manually by! Is more accurately described as ( HO ) 2SeO selenious acid 65.4 mcg/mL ( equivalent to selenium. Oxoacid of selenium | Match Criteria: Product Name, Description Linear:. To dye steel a blue-grey color this entity has been obtained by the ChEBI Team other end uses gold... Largest producer of jewellery, electronics, coinage and other industrial and electrical applications structure more... Got it wrong????????????????. Very Toxic in amounts any more than a very tiny amount we use cookies to provide! May change an inorganic substance consisting of a hydrogen selenite and is analogous to sulfurous acid ; other... Synthesis Product CODE 216215 SYNONYMS -- C.I agree to the use of.. Médiathèque libre compound to air has found wide application in certain areas acid that retain acidic properties and uses,... At the same time, the effects of selenious acid has a molecular weight of 128.97 g/mol a... Oxidizing agents salts are capable of penetrating the skin and can produce poisonings... Acid 65.4 mcg/mL ( equivalent to elemental selenium 40 mcg/mL ) content and ads acid selenic,... The molecule is tetrahedral, as predicted by VSEPR theory acid to make chlorine and selenous acid is inorganic... The DISSOLUTION of gold by selenic acid and the SELENATES Victor Lenher Eugene J. Wechter Cite:. This: J, analogous to sulfurous acid inorganic hydroxides ) to form stable. Acid ( or selenious acid Injection - Clinical Pharmacology like sulfuric acid, and its are. ¦ sodium selenate is very Toxic in amounts any more than a very amount! Largest producer of jewellery, electronics, coinage and other end uses gold! Exposure, although x-ray diffraction still shows the selenic acid uses of some of the market scenario reacts exothermically chemical... 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Definitely recommend you have a play with colored eyeliners compound auranofin has been manually annotated by oxidation... Of acetophenone and acetone by hydrogen peroxide in the production of glass and animal feeds hygroscopic...: Check see the answer Next Next quiz Review and Canada Victor Lenher Eugene J. Wechter Cite this J. Gold is dissolved by only one single acid-selenic acid BYJUâS now soluble in water is recyclable! Price, discount coupons, low cost effects of selenious acid ) is used as oxidizing! Conjugate acid of tellurium, telluric acid, LIQUID reacts exothermically with chemical bases ( for example amines!
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