|
Assay (as NH3)
Appearance
Residue after ignition
Carbon Dioxide (CO2)
Chloride (Cl)
Phosphate (PO4)
Total Sulfur (as SO4)
Nitrate (NO3)
Heavy metals (as Pb)
Iron (Fe)
Substances reducing Permanganate
Notes:
|
28.0 - 30.0%
Colorless and free from suspended matter
0.002% max.
0.002% max.
0.5 ppm max.
2 ppm max.
2 ppm max.
2 ppm max.
0.5 ppm max.
0.2 ppm max.
P.T.
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