L-酒石酸钾钠四水合物

Potassium sodium L-tartrate tetrahydrate is used in the process of silvering mirrors. It is an active ingredient in Fehiling?’s solution and Nylander?’s test involved in the determination of reducing sugars. It is utilized to break up emulsion in organic synthesis as well as a common precipitant in protein crystallography. As a Biuret reagent, it is used to measure the protein concentration. Furthermore, it is used as a laxative and is also used in food industry.

Loses water of crystallization at 140?° unstable above 225?°.Incompatible with strong oxidizing agents.

MFCD00150989

206-156-8

C₄H₄KNaO₆?4H₂O

282.23 (210.29anhy)

70-80°

1.77

Ambient temperatures.

Crystalline

Soluble in water. Insoluble in alcohol.

6113568

14,7670

Maximum level of impurities: Insoluble matter 0.005%, Chloride (as Cl) 0.0015, PO₄ 0.002%, SO₄ 0.005%, NH₄ 0.002%, Ca 0.005%, Heavy Metals (as Pb) 5ppm, Fe 0.001%, pH of a 5% solution 6.0-8.5 at 25?

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