Potassium Bromide
Minimum Order: 0
Quality/Safety Certification: 0.00
Usage: Employed in the preparation of photographic emulsions and developers, in pharmaceutical preparations,ect.
Formula: KBr
M.W.:119.0
Usage: Employed in the preparation of photographic emulsions and developers, in pharmaceutical preparations, as a wood preservative, for water treatment and as a flame retardant additive. also as nerve sedative and hydragogue in medicine.
Package: 25kg woven bags
Specification:
| Items | Potassium Bromide(KBr) | ||
| Industry Grade | Medicine Grade | Photo Grade | |
| Appearance | White Crystal | ||
| Assay, % | 99.0 MIN | 99.3 MIN | 99.5 MIN |
| Chlorides, % | 0.2MAX | 0.2 MAX | 0.2 MAX |
| Sulphates, PPM | 200 MAX | 100 MAX | 50 MAX |
| Loss on Drying, % | 0.5 MAX | 0.5 MAX | 0.3 MAX |
| Heavy Metal (as Pb, Hg)PPM | 5.0 MAX | 5.0 MAX | 3.0 MAX |
| Arsenic, PPM | 4.0 MAX | 4.0 MAX | 4.0 MAX |
| Volatile, % | -- | Qualified | 0.5 MAX |
| Bromates, PPM | Qualified | Qualified | 10 MAX |
| Iodide, PPM | -- | Qualified | 50 MAX |
| Minor Elements, PPM | -- | Qualified | 0.5 MAX |
| PH Value | Qualified | Qualified | 5.5-8.5 |
