Use:mainly used in the medicine, light-sensitive emulsion, etc.
Technical Indicators:
|
Molecular Formula |
KBr | ||
|
CAS No. |
7758-02-3 | ||
|
|
Photo Grade Ⅰ |
Photo Grade Ⅱ |
Medical Grade |
|
Main Content |
≥99.50％ |
≥99.5％ |
≥99.0％ |
|
Loss on Drying |
≤0.3% |
≤0.3% |
≤0.5% |
|
Bromate |
≤0.001% |
≤0.003% |
≤0.005% |
|
Chloride |
≤0.3% |
≤0.6% |
≤1.5% |
|
Sulphate |
≤0.005% |
≤0.005% |
≤0..1% |
|
Fe |
≤0.5ppm |
≤4ppm |
≤5ppm |
|
Pb |
≤0.2ppm |
≤4 ppm |
≤10ppm |
|
Cu |
≤0.5 ppm |
≤1 ppm |
≤1 ppm |
|
Iodide |
≤0.001% |
≤0.005% |
≤0.005% |
|
Aresenic |
/ |
/ |
≤4ppm |
|
PH(5%) |
6.0-7.5 |
5.5-7.5 |
5.5-7.5 |
|
Transparency test |
Qualified |
Qualified |
/ |
|
Packing |
PP bag with PE inner bag/fibre drum, 25kg per bag/drum | ||