Application:mainly be used as analytical reagent, food additive; in pharmacuetical industry as alkaline leopoldite and as medicine for the hypopotassemia and alkali-urine; as element in high-efficient compound fertilizer, as well as be applied in paper making and gilding.
Specification:
|
ITEM |
UNIT |
BP2007 |
USP30 |
HSCA |
|
Despcription |
|
White or yellow crystallinegranule or powder |
||
|
Identification |
|
Pass |
Pass |
Pass |
|
Clarity of solution |
|
Pass |
Pass |
Pass |
|
Acidity or Alkalinity |
|
Pass |
Pass |
Pass |
|
Assay |
|
99.5-101.0 |
99.0-100.5 |
99.0-100.5 |
|
Water |
|
4.0-7.0 |
|
|
|
Chloride |
ppm |
≤50 |
|
≤20 |
|
Heavy metals |
ppm |
≤10 |
≤10 |
≤5 |
|
Oxalate |
ppm |
≤150 |
|
≤50 |
|
Sulphates |
ppm |
≤150 |
|
≤50 |
|
Readily carbonizble substances |
|
Pass |
Pass |
Pass |
|
Sodium |
|
≤0.3 |
|
|
|
Loss on drying |
|
|
3.0-6.0 |
3.0-6.0 |