Purity: (same/more than) 99.5%
Insoluble Matter: (same/less than) 0.01%
Loss on Drying: (same/less than) 1.0%
Chloride: (same/less than) 0.001%
Nitrogen Compounds (as N): (same/less than) 0.001%
Phosphate: (same/less than) 0.001%
Silica: (same/less than) 0.005%
Sulfur Compounds (as SO4): (same/less than) 0.003%
Ammonium Hydroxide Precipitate: (same/less than)0.01%
Arsenic: (same/less than) 0.0001%
Calcium and Magnesium Precipitate: (same/less than) 0.1%
Heavy Metals (as Pb): 0.0005%
Iron: (same/less than) 0.0005%
Potassium: (same/less than) 0.005%