Purity: (same/more than)99%
Appearance: White crystalline powder
Solubility: Clear, colorless, complete
pH (5% Solution @ 25C): 7.0-9.0
Insoluble Matter: (same/less than)0.005%
Chloride: (same/less than)0.003%
Sulfate: (same/less than)0.005%
Ammonia: (same/less than)0.003%
Calcium: (same/less than)0.005%
Heavy Metals (as Pb): (same/less than)0.0005%
Iron: (same/less than)0.0005%
Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.