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Product：Potassium bromide
CAS Number：2139-62-6
Quality Standard：99.00%
Package Kg/drum：25 or 50kg/kraft bag
Place of orgin：CN
Order |
| Detailed Introduction： |
1)Product: potassium bromide
2)CAS: 2139-62-6
3)Application: sensitive materials, photographic film, medicine
4)ISO 9001:2000
We are directly into a production factory, with the most competitive price and quality
KBr for film, photographic film emulsion or preparation reagent, used as sedatives in the medical; Photo Grade appearance white crystalline potassium bromide particles or crystalline powder
|
Specification |
Industrial Grade |
Photo Second Grade |
Medical Grade |
|
Appearance |
White crystal |
White crystal |
White crystal |
|
Purity% |
98.5 min |
99.0 min |
99.5 min |
|
Moisture% |
1.0 max |
1.0 max |
0.5 max |
|
Chloride (Cl)% |
1.0 max |
0.3 max |
0.25 max |
|
Bromate (BrO3) % |
- |
- |
0.003 max |
|
Sulphate (SO4)% |
0.05 max |
0.02 max |
0.01 max |
|
pH (5% solution) |
6.0-8.0 |
6.0-8.0 |
6.0-8.0 |
|
Arsenic (As) mg/kg |
- |
10 max |
0.2 max |
|
Lead (Pb)mg/kg |
- |
10 max |
0.2 max |
|
Iron (Fe)mg/kg |
- |
- |
0.5 max |
|
Copper (Cu)mg/kg |
- |
- |
0.5 max |
Colorless crystal or white powder. Have a strong salty. To light yellow discoloration. Slightly hygroscopic. 1g products soluble in cold water 1.5ml, 1ml boiling water, 4.6ml glycerol, 250ml of ethanol, aqueous solution is neutral. The relative density of 2.75. Melting point of 730. Boiling point 1435 °C. Irritant.
Determination of copper and silver bit. Polarographic analysis of indium, cadmium and arsenic. Reagent. Pesticide analysis.
This product should be sealed dried and stored.
Use: sensitive materials, sensitive photographic film, medicine etc.
Packing: PP woven bag or fibre drum with PE liner |
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