Purity: (same/more than) 99.0%
Appearance: Highly deliquescent crystals
pH in solution: 4.5 to 7.0
Insoluble Matter: (same/less than) 0.002%
Nitrate: (same/less than) 0.001%
Phosphate: (same/less than) 0.0005%
Arsenic: (same/less than) 0.0003%
Sulfate: (same/less than) 0.002%
Ammonium: (same/less than) 0.001%
Barium: (same/less than) 0.005%
Calcium: (same/less than) 0.0008%
Heavy Metals (as Pb): (same/less than) 0.0005%
Iron: (same/less than) 0.0005%
Manganese: (same/less than) 0.0001%
Potassium: (same/less than) 0.002%
Sodium: (same/less than) 0.001%
Strontium: (same/less than) 0.0001%
Aluminum: (same/less than) 0.0001%
Organic Volatile Impurities: Complies
Note: Keep desiccated and tightly closed