Test Specification

Appearance: white pellets

Assay: >97.0%

Sodium Carbonate (Na2CO3): <=1

Sulfate (SO4): <= 0.003%

Chloride (Cl): <= 0.005%

Nitrogen Compounds (as N): <= 0.001%

Phosphate (PO4): <= 0.001%

Heavy metals (as Ag): <= 0.002%

Iron (Fe): <= 0.001%

Nickel (Ni): <= 0.001%

Mercury (Hg): <= 0.1 ppm

Calcium (Ca): <= 0.005%

Magnesium (Mg): <= 0.002%

Potassium (K): <= 0.02%