Potassium dimolybdate

Potassium Dimolybdate, KjMOgOj, is formed by fusion of suitable quantities of K2CO3 and M0O3, but is unstable the aqueous... 

Molybdates.—Normal molybdates of the type R aMoO., exist in solution but are relatively unstable, and readily form acid salts or complex polymolybdates. Thus dimolybdates, R aMogOy, can be obtained by fusion of molybdenum trioxide with sodium or potassium nitrate trimolybdates, R gMojOio, and tetramolybdates, R Mo Oig, by heating molybdenum trioxide with an aqueous solution of sodium or potassium carbonate. Even more highly acid salts—for example, octa- and deca-molybdates—can be obtained. Solutions of normal molybdates, when treated with hj droehlorie add or nitric acid, yield a precipitate of acid molybdate this reaction does not, however, take place with sulphuric, acetic, oxalic, or tartaric acids. 

Conversion to the tetrapotassium octachlorodimolybdate(II) dihydrate3 is achieved as follows. Concentrated hydrochloric acid (130 mL), in a 250-mL conical flask, is cooled to 0° in ice, and saturated with hydrogen chloride gas for seven minutes. Potassium chloride (3.6 g) is added with stirring, and the mixture warmed to room temperature. The tetra-p-acetato-dimolybdate(II) (2.6 g)... 

R.N. Kust, A Study of Dimolybdate and Dichromate Formation in Fused Equimolar Sodium Nitrate-Potassium Nitrate Solvent, Inorg. Chem. 6 (1967) 2239-2243. 

M. Amadori studied the m.p. of mixtures of potassium dichromate with the dimolybdate and the ditungstate. The f.p. of and 0-lilf-K2Cr2O7... 

Moiyhibit 240LS. See Potassium molybdate Moiyhibit 340. See Lithium molybdate Moiyhibit ADM. See Ammonium dimolybdate Moiyhibit POM. See Molybdenum trioxide Moiy-White 92, Moiy-White 101 ED-Pius, Moiy-White 101, Moiy-White 151. See Zinc, molybdate... 

Ammonium dimolybdate corrosion inhibitor, vapor-phase Dicyclohexylamine nitrite 2-Dimethylamino-2-methyl-1-propanol corrosion inhibitor, waterfloods Cocodiamine acetate Etidronic acid corrosion inhibitor, water systems Acrylic resin Hydrazine corrosion inhibitor, water treatment Ammonium dimolybdate Calcium oxide Etidronic acid Lauramine 2-Mercaptobenzothiazole Myristamine Myristamine acetate PEG-8 dioleate PEG-3 tallow aminopropylamine PEG-8 tallow aminopropylamine Potassium phosphate Potassium thiocyanate Potassium tripolyphosphate Sodium chromate Sodium molybdate dihydrate... 

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