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PLACE OF ORIGIN:HUNAN CHINA
GRADE STANDARD:E331/FAO
PURITY:>99%
APPEARANCE:WHITE POWDER
LOSS ON DRYING:<0.4%(FOUR HOURS IN
GRADE STANDARD:E331/FAO
PURITY:>99%
APPEARANCE:WHITE POWDER
LOSS ON DRYING:<0.4%(FOUR HOURS IN
Characters |
White granular crystals or a white crystalline powder
|
|
Assay (Anhydrous basis)
|
>99.0% |
|
Chloride
|
<50 ppm |
Sulphate |
<150ppm |
|
Readily carbonisable substances
|
Meets E331
|
|
Oxalat
|
<300 ppm |
|
Heavy metals
|
<5 ppm |
|
Arsenic
|
<1 ppm |
|
Loss on drying (2h,180°C)
|
<0.1% |
PH(1%) |
3.5-3.8 |
|
Gas release ml/g |
>85 |