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Appearance
|
Apple green crystalline powder
|
|
Assay (complexometric)
|
Min 98%
|
|
pH (5% solution in water)
|
4.0 - 6.0
|
|
Sulphate (SO4)
|
Max 0.005%
|
|
Lead (Pb)
|
Max 0.002%
|
|
Calcium (Ca)
|
Max 0.005%
|
|
Iron (Fe)
|
Max 0.001%
|
|
Cobalt (Co)
|
Max 0.005%
|
|
Copper (Cu)
|
Max 0.001%
|
|
Sodium (Na)
|
Max 0.01%
|
|
Zinc (Zn)
|
Max 0.001%
|