| ≥1 piece |
|
Specification
|
Standard
|
Test Results
|
|
Udentification
|
UV-Maximum 254±2ppm
|
Complied
|
|
Appearance
|
White or off white spherical
|
White sphericl
|
|
Assay(dry basis)
|
99.0%--101.0%
|
100.0%
|
|
Melting range
|
133-135℃
|
133.2-134.6℃
|
|
Loss on drying
|
No more than 1%
|
0.20%
|
|
PH-value
|
8.5-10.5（10% water solution)）
|
9.6
|
|
Alkalinity(as K2CO3)
|
Passes test (about 1%）
|
Complied
|
|
Acidity(as sorbic acid)
|
Passes test (about 1%）
|
Complied
|
|
Heavy metals(as Pb)
|
No more than 0.001%
|
Complied
|
|
Arsenic
|
No more than 2 ppm
|
No more than 2 ppm
|
|
Lead
|
No more than 2 ppm
|
No more than 2 ppm
|
|
Sulfate(as SO4)%
|
No more than 380 ppm
|
No more than 380 ppm
|
|
Aldehydes(as for maldehyde)
|
No more than 0.1%
|
Complied
|
|
Heat resistance
|
No discoloration after heating 90 miniutes at 105℃
|
Complied
|