| CHEMICAL
FORMULA : NaBr M.W.: 102.90
DESCRIPTION: white or colorless cubic crystalline,or white particle
or powder,relative density in 3.339(at 17.5℃),melting point on 747℃,boiling point on 1390℃,easily dissolved in water,slightly dissolved
in alcohol.
APPLICATION:Be used for photographic ,pharmaceutical,fragrance&dyestuff
industries.
| SPEC |
The better grade |
Best grade |
|
ITEMS |
|
|
|
assay
％ |
≥99.0％ |
≥99.5％ |
|
Loss on drying
％ |
≤0.5％ |
≤0.2％ |
|
As
％ |
≤0.0003％ |
≤0.0001％ |
|
chloride ％ |
≤0.5％ |
≤0.2％ |
|
Heavy
metal（Pb） ％ |
≤0.002％ |
≤0.001％ |
|
Middle
Control Item |
|
White degree ％ |
85％ |
90％ |
|
Permeationrate
15％ |
98％ |
99％ |
|
Particle size (micron) |
90％ overpass 110 |
90％ overpass 110 |
| Store period |
One year |
Two years |
|
Provide reference |
|
Produce technics |
electroanalysis |
electroanalysis |
|
Packing |
25KG five-storys
PE bag |
25KG five-storys
PE bag |
Remark：We may make special specification according to customer’s requires.
|
