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http://dbpedia.org/resource/Monopotassium_arsenate
http://dbpedia.org/ontology/abstract زرنيخات ثنائي هيدروجين البوتاسيوم مركب كيميائي له الصيغة KH2AsO4 ، ويكون على شكل بلورات عديمة اللون . , Дигидроарсенат калия — неорганическое соединение,кислая соль калия и мышьяковой кислоты с формулой KH2AsO4,бесцветные кристаллы,растворяется в воде. , Kaliumarsenaat (KH2AsO4) is het kaliumzout van arseenzuur. Dit giftige anorganisch zout bestaat uit een kaliumion (K+) en een waterstofarsenaat-ion (H2AsO4−) en komt voor onder de vorm van een kleurloze vaste stof. , 砷酸二氢钾是一种无机化合物,化学式为KH2AsO4。它可由碳酸钾和五氧化二砷在水中反应制得。 砷酸二氢钾在400 °C分解,生成偏砷酸钾。它和硫化氢在pH 7.2~8时反应,可以得到KH2AsO3S。它和三氟化锑反应,可以得到K(SbF2)HAsO4。它和氢氟酸(40%)发生放热反应,生成K[AsF5OH]。它和镁盐在溶液中反应,形成KMgAsO4·6H2O沉淀。 , L'arséniate de potassium ou plus exactemenL'arséniate de potassium ou plus exactement le dihydrogénoarséniate de potassium ou encore l'arséniate de potassium monobasique est le composé chimique de formule KH2AsO4.D'autres sels sont également appelés arséniate de potassium, K2HAsO4 (hydrogénoarséniate de potassium) et K3AsO4 (arséniate de potassium "vrai"). Chacune de ces espèces est dérivée de l'acide arsénique : Ces espèces sont étroitement liées aux phosphates de potassium correspondants. Les anions H2AsO4−, HAsO42− et AsO43− contiennent tous la forme tétraédrique AsO4 avec deux, un, ou pas d'atomes d'hydrogène liés à l'atome d'oxygène, respectivement. Bien que ces sels d'arsenic aient été prescrits à des fins thérapeutiques, ces composés sont hautement toxiques.ues, ces composés sont hautement toxiques. , Monopotassium arsenate is the inorganic coMonopotassium arsenate is the inorganic compound with the formula KH2AsO4. A white solid, this salt is used to prepared other arsenic-containing compounds, mainly pesticides. It is prepared by calcining arsenic oxide and potassium nitrate, followed by extraction with water. Relevant acid-base equilibria for aqueous solutions of this diprotic acid derived from arsenic acid are as follows: H3AsO4 + H2O ⇌ H2AsO−4 + H3O+ (pKa1 = 2.19)H2AsO−4 + H2O ⇌ HAsO2−4 + H3O+ (pKa2 = 6.94)AsO−4 + H2O ⇌ HAsO2−4 + H3O+ (pKa2 = 6.94) , Kaliumdihydrogenarsenat ist eine anorganische chemische Verbindung des Kaliums aus der Gruppe der Arsenate.
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rdfs:comment Дигидроарсенат калия — неорганическое соединение,кислая соль калия и мышьяковой кислоты с формулой KH2AsO4,бесцветные кристаллы,растворяется в воде. , Kaliumdihydrogenarsenat ist eine anorganische chemische Verbindung des Kaliums aus der Gruppe der Arsenate. , 砷酸二氢钾是一种无机化合物,化学式为KH2AsO4。它可由碳酸钾和五氧化二砷在水中反应制得。 砷酸二氢钾在400 °C分解,生成偏砷酸钾。它和硫化氢在pH 7.2~8时反应,可以得到KH2AsO3S。它和三氟化锑反应,可以得到K(SbF2)HAsO4。它和氢氟酸(40%)发生放热反应,生成K[AsF5OH]。它和镁盐在溶液中反应,形成KMgAsO4·6H2O沉淀。 , L'arséniate de potassium ou plus exactemenL'arséniate de potassium ou plus exactement le dihydrogénoarséniate de potassium ou encore l'arséniate de potassium monobasique est le composé chimique de formule KH2AsO4.D'autres sels sont également appelés arséniate de potassium, K2HAsO4 (hydrogénoarséniate de potassium) et K3AsO4 (arséniate de potassium "vrai"). Chacune de ces espèces est dérivée de l'acide arsénique : Bien que ces sels d'arsenic aient été prescrits à des fins thérapeutiques, ces composés sont hautement toxiques.ues, ces composés sont hautement toxiques. , زرنيخات ثنائي هيدروجين البوتاسيوم مركب كيميائي له الصيغة KH2AsO4 ، ويكون على شكل بلورات عديمة اللون . , Kaliumarsenaat (KH2AsO4) is het kaliumzout van arseenzuur. Dit giftige anorganisch zout bestaat uit een kaliumion (K+) en een waterstofarsenaat-ion (H2AsO4−) en komt voor onder de vorm van een kleurloze vaste stof. , Monopotassium arsenate is the inorganic coMonopotassium arsenate is the inorganic compound with the formula KH2AsO4. A white solid, this salt is used to prepared other arsenic-containing compounds, mainly pesticides. It is prepared by calcining arsenic oxide and potassium nitrate, followed by extraction with water. Relevant acid-base equilibria for aqueous solutions of this diprotic acid derived from arsenic acid are as follows: H3AsO4 + H2O ⇌ H2AsO−4 + H3O+ (pKa1 = 2.19)H2AsO−4 + H2O ⇌ HAsO2−4 + H3O+ (pKa2 = 6.94)AsO−4 + H2O ⇌ HAsO2−4 + H3O+ (pKa2 = 6.94)
rdfs:label Kaliumarsenaat , Arséniate de potassium , Дигидроарсенат калия , Monopotassium arsenate , 砷酸二氢钾 , زرنيخات ثنائي هيدروجين البوتاسيوم , Kaliumdihydrogenarsenat
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