应用
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.

Grade Specifications
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?

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

基本信息

MDL
MFCD00150989

EINECS
206-156-8

分子式
C₄H₄KNaO₆?4H₂O

分子量
282.23 (210.29anhy)

熔点
70-80°

密度
1.77

灵敏度
Ambient temperatures.

形态
Crystalline

溶解性
Soluble in water. Insoluble in alcohol.

Beilstein
6113568

Merck
14,7670

安全信息

TSCA
是