Potassium Tartrate Hemihydrate

 
ResultLimits
Assay:99.2%99.0% min.
Loss on drying: 4%4% at 160°C max.
Chloride: <50 ppm200 ppm max.
Sulfate: <50 ppm200 ppm max.
Heavy Metals: <2 ppm 20 ppm max.
Oxalates: not presentnot detectable
Solubility:  45.5 grams dissolves in 100 ml water at 15°C
   91.5 grams dissolves in 100 ml water at 75°C
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