Purity: (same/more than) 98.0%
Insoluble Matter (same/less than) 0.005%
Ammonioum Hydroxide Precipitate: (same/less than)0.005%
pH of a 5% Solution at 25C: 3.8 to 4.4
Chloride: (same/less than) 0.0005%
Nitrate: (same/less than) 0.001%
Sulfur Compounds (as SO4): (same/less than) 0.004%
Heavy Metals (as Pb): (same/less than) 0.0005%
Iron: (same/less than) 0.001%
Potassium: (same/less than) 0.005%
Sodium: (same/less than) 0.005%