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Potassium Tartrate Hemihydrate 99% AR Grade Reagent

Cas Number:6100-19-2
Formula:C4H4K2O6·0.5H2O
Molar Mass:235.28
EC Number:213-067-8

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Model:
AR
Brand:
LABOR
Code:
141202129

Potassium Tartrate Hemihydrate 99% AR Grade Reagent

Cas Number:6100-19-2

Formula:C₄H₄K₂O₆·0.5H₂O

Molar Mass:235.28

EC Number:213-067-8

Physicochemical properties：

White crystalline or crystalline powder. It will Lose water at 150 °C and decompose at 200 to 220 °C. It is dissolved in about 0.5 parts of water, almost insoluble in ethanol. The aqueous solution is slightly alkaline to litmus, pH 7-8. The relative density (d204) is 1.98.

Usage:

Determination of bismuth, aluminum and nickel. Preparation of microbial culture medium.

Packing:

500g/25kg

Potassium Tartrate Hemihydrate 99% L-(+)-Tartaric aciddipotassium salt Dipotassium tartratehemihydrate AR Grade Reagent

Item of Analysis	Standard
Assay,%	99.0 min
pH(50g/L,25℃)	7.0～9.0
Transparency of solution	to pass test
Insoluble in water,%	0.005 max
Chloride(Cl),%	0.002 max
Sulfate(SO₄),%	0.005 max
Phosphate(PO₄),%	0.002 max
Iron(Fe),%	0.0005 max
Heavy metals(as Pb),%	0.0005 max

Item of Analysis	Standard
Assay,%	99.0 min
pH(50g/L,25℃)	7.0～9.0
Transparency of solution	to pass test
Insoluble in water,%	0.005 max
Chloride(Cl),%	0.002 max
Sulfate(SO₄),%	0.005 max
Phosphate(PO₄),%	0.002 max
Iron(Fe),%	0.0005 max
Heavy metals(as Pb),%	0.0005 max

Potassium Tartrate Hemihydrate 99% AR Grade Reagent

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