发货:3天内
|
Item |
Standard |
|
Identification |
Identification A refer to standard Identification B refer to standard |
|
Appearance |
White crystal PAWDER |
|
Content |
98.0~102.0 % |
|
Chlorinated organic compounds |
100ppm Max |
|
Gallic acid |
0.50% max |
|
Appearance of solution |
The solution is clear,not more intensely colored than reference solution BY5 |
|
Particle size |
Min 80%＜16mesh |
|
Loss on Drying |
0.50 max |
|
Melting range, ℃ |
146-150 |
|
Sulphated ash, % |
0.1 max |
|
Heavy metal， mg/kg |
10 |
|
Lead/pb mg/kg |
1 |
|
As mg/kg |
3 |
|
Mercury mg/kg |
1 |
|
Microbiology E.Coli : St. Aureus : Salmonella : Pseudomonas |
Negative Negative Negative Negative |
