|
CHEMICAL
FORMULA : KBr M.W.: 119.01
DESCRIPTION: white crystalline,or powder, density
in 2。75(at 25℃),melting
point on 734℃,boiling point on 1435℃, dissolved in water and glycerin,with hygroscopicity,pH in 7.
APPLICATION:Be used as developer and thicker,sedative in medicine,also
be used to preparation of special soap,carving
and printing.
| SPEC |
Photographic grade |
Technical grade |
|
ITEMS |
Yotech Standard |
Yotech Standard |
|
含量
％ |
≥99.0％ |
≥98.0％ |
|
水不溶物
％ |
≤0.002％ |
≤0.005％ |
|
氯化物Chloride(Cl) ％ |
≤0.2％ |
≤0.5％ |
|
溴酸盐(BrO3) ％ |
≤0.001％ |
≤0.01％ |
|
硫酸盐
％ |
≤0.002％ |
≤0.01％ |
|
重金属（Pb）
％ |
≤0.0005％ |
≤0.001％ |
|
干燥失重
％ |
≤0.2％ |
≤0.2％ |
|
Middle
Control Item |
|
White degree
％ |
90％ |
85％ |
|
Permeationrate
15％ |
98％ |
96％ |
|
Particle size (micron) |
90％ overpass 100 |
90％ overpass 100 |
| Store period |
Two
years |
Two
years |
|
Provide reference |
|
Produce technics |
Deoxidize Carbamide |
Deoxidize Carbamide |
|
Packing |
25KG/bag |
25KG/bag |
Remark：We may make special specification according to customer’s requires.
|
