Potassium tartrate dibasic hemihydrate - 25510H
Code: 25510H
Potassium tartrate dibasic hemihydrate
meets analytical specification of DAC, E336, 99-102% (perchloric acid titration)
meets analytical specification of DAC, E336, 99-102% (perchloric acid titration)
CAS Number: 921-53-9
Molar Mass: 235.28 g/mol
| Property |
Value |
| Assay (titration with Perchloric acid) |
99.0 - 102.0 % |
| Assay (calculated to the dried substance) |
min. 99 % |
| Loss on drying (150 °C, 4 h) |
max. 4 % |
| PH (1 %,20°C) |
7 - 9 |
| Acid. or alk. react. impurities |
complying |
| Ammonium (NH4) |
max. 0.001 % |
| Arsenic (As) |
max. 3 ppm |
| Calcium (Ca) |
max. 100 ppm |
| Copper (Cu) |
max. 0.001 % |
| Iron (Fe) |
max. 20 ppm |
| Mercury (Hg) |
max. 1 ppm |
| Lead (Pb) |
max. 2 ppm |
| Zinc (Zn) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 10 ppm |
| Chloride (Cl) |
max. 0.05 % |
| Oxalate (as Oxalic acid) |
max. 100 ppm |
| Sulfate (SO4) |
max. 0.1 % |
| Appearance of the solution |
complying |