|
Appearance
|
White crystalline powder
|
|
Assay (on anhydrous basis)
|
Min 95%
|
|
P2O5 content (on anhydrous substance)
|
55.5 - 61.1%
|
|
CaO content
|
22.26 - 24.8%
|
|
Arsenic (As)
|
Max 0.0003%
|
|
Loss on drying
|
Max 1.0%
|
|
Loss on ignition
|
Max 25.0%
|
|
Fluoride (F)
|
Max 0.003%
|
|
Lead (Pb)
|
Max 0.002%
|
|
Mercury (Hg)
|
Max 0.0001%
|
|
Cadmium (Cd)
|
Max 0.0001%
|