Potassium tartrate hemihydrate/Soluble tartar
Item No.： R0948
Store at： RT
English Name: potassium tartrate hemihydrate; Soluble tartar
Other names: dipotassium tartrate hemihydrate; L-potassium tartrate hemihydrate
CAS No.: 6100-19-2
C4H4K2O6·0.5H2O=235.28
grade: ar
Content: ≥ 99.0%
PH value (50g/l, 25 ℃):7.0 ~ 9.0
Clarity test: acceptable
Chloride: ≤ 0.002%
Sulfate: ≤ 0.005%
Phosphate: ≤ 0.002%
Water insoluble matter: ≤ 0.005%
Iron: ≤ 0.0005%
Physicochemical properties : white crystal or crystalline powder. Water loss at 150 ℃. Decompose at 200 ~ 220 ℃. Soluble in about 0.5 parts of water, almost insoluble in ethanol. The aqueous solution is slightly alkaline to litmus, pH7 ~ 8. The relative density (d204) is 1.98.
Purpose: biochemical research. Determine bismuth, aluminum and nickel. Preparation of microbial culture medium.
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