Customization: | Available |
---|---|
Function: | Food Supplement |
Certification: | ISO |
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Item
|
Standard
|
Appearance
|
White crystalline powder
|
Identification
|
Positive
|
Clarity of solution
|
Clear
|
Assay (%)
|
99.0~100.5
|
Loss on drying (%)
|
≤ 0.40
|
Residue on ignition (%)
|
≤ 0.10
|
Sulphate ash
|
≤ 0.10
|
Specific rotation
|
from +20.5 to +21.5
|
PH value (2% solution)
|
2.4 ~ 2.8
|
PH value (5% solution)
|
2.1 ~ 2.6
|
Heavy metals
|
≤3 ppm
|
Iron
|
≤2 ppm
|
Copper
|
≤2 ppm
|
Total plate count
|
≤ 1000 cfu/g
|
Arsenic
|
≤1 ppm
|
Mercur
|
≤1 ppm
|
Organic volatile impurities
|
Meets the requirements
|
Chloride (Cl) (%)
|
≤ 0.30
|
Melting point ( ºC)
|
about 190
|
Cadmium
|
≤1 ppm
|
Lead
|
≤2 ppm
|
Storage
|
in the shade
|
Packing
|
25kg/bag
|