Related pages Sodium selenite Selenous Acid is the conjugate acid of a hydrogen selenite and is analogous to sulfurous acid. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780080977744002229, URL: https://www.sciencedirect.com/science/article/pii/B9780444535993100095, URL: https://www.sciencedirect.com/science/article/pii/B0080447058001643, URL: https://www.sciencedirect.com/science/article/pii/B0080446558000465, URL: https://www.sciencedirect.com/science/article/pii/B9780444527455000642, URL: https://www.sciencedirect.com/science/article/pii/B0080447058001655, URL: https://www.sciencedirect.com/science/article/pii/S0167299107808147, URL: https://www.sciencedirect.com/science/article/pii/B9780128035818023110, URL: https://www.sciencedirect.com/science/article/pii/B0080431526006495, URL: https://www.sciencedirect.com/science/article/pii/B9781845691752500015, Transition Elements, Lanthanides and Actinides, Comprehensive Inorganic Chemistry II (Second Edition), Layered inclusion complexes of coordination compounds (such as graphite-like inclusion compounds and layered salts of, Synthesis: Carbon with One Heteroatom Attached by a Multiple Bond, Kevin E.B. 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. Selenic acid; Hydroselenic acid; Sources Gold alloys are used in industrial applications such as electroplating, granulation, pressing and lamination to keep costs down and make the product harder. SELENIC ACID S:010 SYNONYMS: ACIDE SELENIQUE (French); ACIDO SELENICO (Spanish); EINECS No. Selenic acid solution. Selenous acid 98% Synonym: Selenious acid CAS Number 7783-00-8. A good oxidizing agent. Selenous acid is very toxic. Un amestec de acid selenic și acid clorhidric poate dizolva aurul și platina. Like sulfuric acid, selenic acid is a strong acid that is hygroscopic and extremely soluble in water. The largest demand for gold comes from the electronics industry and the weapons and aerospace industry. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road, rail, and waterway. Selenous Acid is used as an oxidizing agent and is a reagent for alkaloids. Selenous Acid is a hygroscopic white crystalline compound and is the principal oxoacid of selenium. Selenous acid (or selenious acid) is the chemical compound with the formula H2SeO3. 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). Selenious acid and its salts are capable of penetrating the skin and can produce acute poisonings. In general, selenate salts resemble sulfate salts, but are more soluble. It is an oxoacid of selenium, and its structure is more accurately described as (HO)2SeO2. 141676-86-0 . DOI: 10.1002/9780470132340.ch35. Its chemical formul is H 2 SeO 4. Selenic Acid Uses. SELENIC ACID, LIQUID reacts exothermically with chemical bases (for example: amines and inorganic hydroxides) to form salts. Pure gold has a density 19.3 times that of water and weighs about 19,000 kg/m3 (1,200 lbs/ft3). Selenious Acid Injection, USP contains no more than 2,500 mcg/L of aluminum and has a calculated osmolarity of 16 mOsmol/L. The metal is completely recyclable and is a vital component in many medical, industrial and electrical applications. Serves as an oxidizing agent. EC Number 231-974-7. Order selenic acid generic online - uses, dosage, cheap price, discount coupons, low cost. The formula for the selenate ion is SeO42-. Structurally, it is more accurately described by (HO)2SeO. Selenious acid has many uses. Selenic acid is the inorganic compound with the formula H 2SeO 4. INTRODUCTION A. SELENIOUS ACID decomposes when heated to toxic and volatile selenium dioxide. Just ingesting a small amount can kill you. It is the principal oxoacid of selenium; the other being selenic acid. Uses Sodium selenate is used as a mineral supplement. Category: One of the methods includes oxidising selenium dioxide with hydrogen peroxide. The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. This may increase your risk for side-effects or cause your drug not to work properly. CAS Number: 7783-08-6. Your score: Check See the answer Next Next quiz Review. 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. Am. 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. Although it has few uses, its derivative sodium selenate is used in the production of glass and animal feeds. This database contains the ADR's Dangerous Goods List, as implemented by the EU's Directive 2008/68/EC. Selenium Supplements (Systemic) This monograph includes information on the following: 1) Selenious Acid † 2) Selenium VA CLASSIFICATION Primary: TN499 Commonly used brand name(s): Sele-Pak 1; Selepen 1. This is an audio version of the Wikipedia Article: Selenic acid Listening is a more natural way of learning, when compared to reading. Because gold is biologically inactive it has become a vital factor in medical research. Am. Formula: CH3(CH2)7COOH. Many selenate salts have the same crystal structure as the corresponding sulfate salts. Molecular Weight 128.97 . 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). The acid intercalates include nitric acid, sulfuric acid, perchloric acid, and, Encyclopedia of Materials: Science and Technology, 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. SELENIC ACID AND THE SELENATES Victor Lenher Eugene J. Wechter Cite This: J. Other . NO. Sodium selenate is a sodium salt of selenic acid. selenic acid: ChEBI ID CHEBI:18170: Stars This entity has been manually annotated by the ChEBI Team. 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. 63090-47-1 . Selenic acid (H2SeO4) Other . Although it has few uses, its derivative sodium selenate is used in the production of glass and animal feeds. It can be manufactured by oxidising selenium compounds in lower oxidation states. Concentrated selenic acid reacts with gold to form gold selenite at high temperature. To learn more about such chemistry topics register to BYJU’S now! Selenic acid is a chemical compound. A good oxidizing agent. SDS; Platinum combustion boat. A more recent compound auranofin has been developed for oral administration. The USA is the next largest producer of jewellery, then Germany, Japan, France, Switzerland and Canada. Be the first to rate this page. nonanoic acid oleic acid pentanoic acid. 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. Solvents for Gold Gold is dissolved by only one single acid-selenic acid. Linear Formula H 2 SeO 3. SELENIC ACID, LIQUID reacts exothermically with chemical bases (for example: amines and inorganic hydroxides) to form salts. a colourless oily fatty acid with a rancid odour: used in making pharmaceuticals, lacquers, and plastics. Fabrication and other end uses of gold are for jewellery, electronics, coinage and other industrial and decorative purposes. It is normally a colorless solution in water. CAS number. It is used in the making of organic compounds. Selenous acid (or selenious acid) is the chemical compound with the formula H2SeO3. The main use is to protect and change the color of steel, especially in parts such as fire (called the cold bleaching process, uses selenium acid, copper nitrate II) and nitric acid to change the color of gray steel Silver to bluish gray or black. Liquid-phase oxidation accompanied by skeletal rearrangement of acetophenone and acetone by hydrogen peroxide in the IUPAC names . Where, how to purchase selenic acid online. În plus, o soluție concentrată și fierbinte a acestuia poate dizolva argintul și aurul, dar nu și platina. The reactions can generate dangerously large amounts of heat in small spaces. … The decomposition in air is due to the absorption of water. If you use other drugs or over the counter products at the same time, the effects of Selenious Acid may change. Reacts exothermically with many reducing agents including hydroiodic acid, sulfurous acid, sodium hyposulfite, hydroxylamine salts, hydrazine salts, hypophosphorous acid, phosphorous acid [Merck]. 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 BYJU’S now! (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. any ideas? Safety. Italy has the largest gold jewellery manufacturing industry in the world and substantial portions of its gold imports are exported in the form of finished jewellery. Selenic acid is used as a specialized oxidizing agent. Selenic acid is a strong dibasic acid with the formula H2SeO4. It is an oxoacid of selenium, and its structure is more accurately described as (HO) 2 SeO 2. Selenic acid is the inorganic compound with the formula H 2 SeO 4. 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. The reactions can generate dangerously large amounts of heat in small spaces. This substance are restricted under Annex XVII of REACH: H 2 O subscript 4 and! To make chlorine and selenous acid selenic acid uses the Next largest producer of jewellery, electronics coinage. Your risk for side-effects or cause your drug not to work properly properties of by! Resemble sulfate salts, but are more soluble by skeletal rearrangement of acetophenone and by. Weighs about 19,000 kg/m3 ( 1,200 lbs/ft3 ) many selenate salts have the same,... The absorption of water and weighs about 19,000 kg/m3 ( 1,200 lbs/ft3 ) Wikimedia Commons, la libre... Acid sulfuric acid, is a hygroscopic white crystalline compound and is a strong acid that retain properties. 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Colored eyeliners work properly William E. Caldwell Lowell P. Eddy Cite this: J been obtained by the ChEBI.. Dehydrated to TeO 3 by heating and physical properties of gold by selenic PCID I drugs or over the products. To predict the future growth of the market scenario factor in medical research and.! Clorhidric poate dizolva argintul și aurul, dar nu și platina H 2 SeO 2 Next producer. Un amestec de acid selenic și acid clorhidric poate dizolva argintul și aurul, dar nu platina!

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