Item | GB1902-94 version | BP98 version |
China pharmacopoeia 2000 version |
Content(base on C7H5NaO2 dry basis)% | 99.0 | 99.0-100.5 | 99.0 |
Drying loss % | 1.5 | 2.0 | 1.5 |
Dissolve | Meet the stipulation | Meet the stipulation | / |
Transparency and color | / | Meet the stipulation | / |
Alkalinity acidity | Meet the stipulation | Meet the stipulation |
Meet the stipulation |
Cchloride (base on Cl) | 500PPm | 200PPm | / |
Chloride(base on Cl) | / | 300PPm | / |
Heavy metal(base on Pb) | 10PPm | 10PPm | 10PPm |
As(base on As) | 2PPm | / | 5PPm |
Sulfate (base on SO4) | 1000PPm | / | / |
Readily oxidizable substance | Passed the test | / | / |
o-benzene tricarbonic acid | Passed the test | / | / |
Packaging Detail: 25Kgs net plastic bag with PE inside.