|
Appearance
|
White to faintly fawn powder
|
|
Assay%:
|
≥ 95
|
|
pHvalue(3% aqueoussolution)
|
9.0-10.0
|
|
Colorofsolution(APHA)
|
≤ 40
|
|
Water
|
≤ 11.0
|
|
Arsenic%
|
≤ 0.0002
|
|
Freeascorbicacid%
|
≤ 0.5
|
|
Freephosphoricacid%
|
≤ 1.0
|
|
Chloride%
|
≤ 0.35
|
|
HeavyMetals(Pb) %
|
≤0.001
|