Ammonium Bromide Photo Grade
Employed in pharmaceutical preparations, in the preparation of photographic emulsions and developers
Formula: NH4Br
M.W. : 97.95
Capacity: 2000MT/Year
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
|
Ammonium Bromide
|
|
Industry Grade
|
Medicine Grade
|
Photo Grade
|
|
Appearance
|
White Crystal
|
| Assay,% |
99.0MIN
|
99.3 MIN
|
99.5 MIN
|
| Chlorides,% |
0.2 MAX
|
0.2 MAX
|
0.2 MAX
|
| Sulphates, PPM |
200 MAX
|
100 MAX
|
50 MAX
|
| Loss on Drying,% |
0.5 MAX
|
0.5 MAX
|
0.5 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, %&nbsAp; |
----
|
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
|
4.5-8.0
|
|
