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Assay
Color (A.P.H.A.)
Appearance
Residue after ignition
Bromide (Br)
Sulfate (SO4)
Sulfite (SO3)
Extractable organic substances
Free Chlorine (Cl)
Ammonium (NH4)
Arsenic (As)
Heavy metals (as Pb)
Iron (Fe)
Notes:
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36.5 - 38.0%
10 max.
Free from suspended matter or sediment
5 ppm max.
0.005% max.
1 ppm max.
1 ppm max.
5 ppm max.
1 ppm max.
3 ppm max.
0.01 ppm max.
1 ppm max.
0.2 ppm max.
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