Purity: (same/more than) 98.0%
Insoluble Matter: (same/less than) 0.005%
pH of a 5% Solution at 25C: 5.5 to 7.5
Chloride: (same/less than) 0.0005%
Nitrate: (same/less than) 0.002%
Ammonium: (same/less than) 0.002%
Arsenic: (same/less than) 0.00005%
Calcium: (same/less than) 0.010%
Heavy Metals (as Pb): (same/less than) 0.0005%
Iron: (same/less than) 0.0005%
Manganese: (same/less than) 0.0003%
Potassium: (same/less than) 0.005%
Sodium: (same/less than) 0.005%
Strontium: (same/less than) 0.005%
Loss on Ignition: 40.0-50.0%
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