Sodium bromide for photographic, medcine, BH2 series
Sodium bromide, BH2 series : Molecular formula: NaBr
Molecular Weight: 102.8938
CAS No.: 7647-15-6
Synonyms: Bromide salt of sodium; Bromnatrium; Bromnatrium
Melting point: : 747C Boiling point: 1390C
Sodium bromide usage: Used in photographic photo, medicine, spices, dye etc.
Sodium bromide packing: 25 kgs PP bags, or 1000 kgs jumbo bags
Appearance |
White crystallization pellet or crystalline powder |
Items |
Photo Grade |
Medical Grade |
Technical Grade |
Main content |
99.5% min |
99.0% min |
98.5% min |
Loss on drying |
0.3% max |
0.5% max |
1.0% max |
Chloride |
0.3% max |
0.6% max |
1.5% max |
Bromate |
0.003% max |
0.003% max |
No reaction |
Iodide |
0.005% max |
0.01% max |
Qualified |
Sulphate |
0.01% max |
0.02% max |
0.1% max |
PH Value(5%) |
5.5_8.0 |
5.5_8.0 |
5.5_10.5 |
As |
0.5ppm max |
4ppm max |
- |
Pb |
0.5ppm max |
4ppm max |
- |
Fe |
1ppm max |
4ppm max |
- |
Cu |
1ppm max |
_ |
_ |
Transparency test |
Qualified |
_ |
_ |