Grade Standard: | Reagent Grade, Electron Grade, Food Grade, Industrial Grade, Agriculture Grade |
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Appearance: | Solid |
Certification: | BP, USP, GMP, ISO, HSE |
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Test Items |
Quality Index |
Test result |
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High-class |
Qualified |
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Appearance |
White powder, no impurities mixed |
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Purity%≥ |
99.5 |
99.0 |
99.91 |
|
Moisture≤ |
0.1 |
0.2 |
0.06 |
|
PH value |
7.5-9.5 |
9.18 |
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Ash≤ |
0.03 |
0.05 |
0.01 |
|
Formaldehyde solution test |
Turbidity(Kaolin) |
20 |
30 |
5 |
Hazen(Pt~Co scale )≤ |
20 |
30 |
5 |
|
The product implementation standard is GB/T 9567--2016 |