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10 Metric Ton |
FOB Price:USD 1050.0000 -1250.0000 |
Potassium Bromide KBr potashbromide
Specification:
Items
|
Photo First Grade
|
Photo Second Grade
|
Medical Grade
|
Main content
|
99.5% min
|
99.5% min
|
99.0% min
|
Loss on drying
|
0.3% max
|
0.3% max
|
0.5% max
|
Chloride
|
0.2% max
|
0.2% max
|
0.5% max
|
Bromate
|
0.001% max
|
0.003% max
|
0.005% max
|
Iodide
|
0.001%max
|
0.005% max
|
0.005% max
|
Sulphate
|
0.005%max
|
0.005% max
|
0.01% max
|
PH Value(5)
|
6.07.5
|
5.57.5
|
5.57.5
|
As
|
≤0.0004
|
||
Pb
|
0.2ppm max
|
4ppm max
|
10ppm max
|
Fe
|
0.5ppm max
|
4ppm max
|
5ppm max
|
Cu
|
0.5ppm max
|
1.0ppm max
|
1ppm max
|
Bi
|
0.2ppm max
|
0.5ppm max
|
|
Peroxide solution penetrability(250g/l)
|
93100
(410nm)
|
85100(410nm)
|
|
Transparency test
|
Qualified
|
Qualified
|
|
Ammonia
|
15.0ppm max
|
||
Peroxide solution chromaticity(250g/l)
|
(15.0 Black once)max
|
Package: 25KGS/Bag
Place of Origin: China
Usage: Applied to photographic emulsions and developers, pharmaceutical industry, and also as nerve sedative in medicine.
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