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Potassium monohydrogen orthoarsenate

Potassium Monohydrogen Orthoarsenate, K2HAs04, is formed12 when potassium carbonate is added to aqueous arsenic acid until effervescence no longer occurs on evaporating the solution to dryness a white residue is obtained. It is soluble in water13 and may be crystallised in... [Pg.217]

Strontium Pyroarsenate, Sr2As207, is formed when the monohydrogen orthoarsenate is heated abo%re 360° C.1 or when potassium monohydrogen orthoarsenate is fused with strontium oxide or carbonate.2 It is slightly soluble in mineral acids. [Pg.228]

Potassium Arsenates.—Potassium Orthoarsenate, K3As04, is formed when excess of potassium hydroxide reacts with aqueous arsenic acid 6 or from a mixture of potassium carbonate and potassium monohydrogen arsenate.7 The salt crystallises in needles. The heat of formation is 396,200 calories.8... [Pg.217]

See other pages where Potassium monohydrogen orthoarsenate is mentioned: [Pg.278]    [Pg.278]    [Pg.191]    [Pg.199]    [Pg.207]    [Pg.211]    [Pg.229]    [Pg.234]    [Pg.208]    [Pg.282]   
See also in sourсe #XX -- [ Pg.217 ]



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