L(+)POTASSIUM ANTIMONY TARTRATE
Molecular formula
C8H4K2O12Sb2·3H2O
Description
Colorless transparent or white crystalline powder, odorless, with light sweet and some metal taste. Efflorescing in air. Beginning to lost crystalline water at 100°C and decompose above 235°C. Soluble in water, insoluble in ethanol and its water solution appears acidity, Relative density 2.607.
Specification
USP 23rd Edition
Item
Index
Content %
99.0~103.0
Acidity or alkalinity
Qualified
Loss on drying(105°C constant weight) ≤ %
2.7
Arsenic (As) ≤ %
0.015
Lead(Pb) ≤ %
0.002
Specific Rotation
+141 ~ +147

Enterprise Standard
Item
Index
Content ≥ %
99.5
Arsenic (on As) ≤ %
0.005
Lead (on Pb) ≤ %
0.001
Calcium (Ca) ≤ %
0.001
Nickel (Ni) ≤ %
0.001
Zine (Zn) ≤ %
0.005
Iron (Fe) ≤ %
0.0005
Chromium (Cr) ≤ %
0.0005
PH value
3.8~4.5
Specific Rotation
+141 ~ +147
Use
Used as analytical reagent (determining Pb, Na, Ge, etc.), mordant for fabric and leather, fixing agent for basic dyes and nylon acid dyes; alse used for making pesticide and snail fever-resistant drugs.
Packaging
In 25Kg P/E bags covered with woven bags or in 25Kg iron drums lined with P/E bags.
Attention
The product described herein can be produced in response to client's appointed specification.
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