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Items
|
Specification
|
Testing result
|
Assay
|
99.5-101.0%
|
99.85%
|
Moisture
|
1.0% max
|
0.21%
|
Sulphate
|
150ppm max
|
<150ppm
|
Oxalate
|
100ppm max
|
<100ppm
|
Calcium
|
200ppm max
|
<200ppm
|
iron
|
50ppm max
|
10ppm
|
Chloride
|
50ppm max
|
15ppm
|
Sulphated ash
|
0.1% max
|
0.02%
|
Heavy metal(Pb)
|
5ppm max
|
3ppm
|
Arsenic (As)
|
1ppm max
|
0.5ppm
|
Bacteria endotoxin
|
0.5 IU/mg max
|
0.5 IU/mg
|
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