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
|
/
|
Pacing |
PP bag with PE inner bag/fibre drum, 25kg per bag/drum |