Detailed Description: |
Cas No. :12124-97-9
Molecular formula: NH4Br
CAS No.: 12124-97-9
Items |
Photo First Grade |
Photo
Second Grade |
Medical Grade |
Main content |
99.5% min |
99.5% min |
99.0% min |
Loss on drying |
0.5% max |
0.5% max |
0.5% max |
Water Insoluable |
0.005% max |
0.01% max |
— |
Chloride |
0.2% max |
0.2% max |
0.5% max |
Iodide |
0.001%max |
— |
— |
Sulphate |
0.005%max |
0.005% max |
0.01% max |
PH Value(5%) |
4.5—6.0 |
4.5—6.0 |
4.5—6.0 |
As |
— |
— |
≤0.0004% |
Pb |
0.2ppm max |
5ppm max |
5ppm max |
Fe |
0.5ppm max |
1ppm max |
— |
Cu |
0.5ppm max |
1.0ppm max |
— |
Bi |
0.2ppm max |
0.5ppm max |
— |
Peroxide solution penetrability(250g/l) |
93~100
(410nm) |
85~100(410nm) |
— |
Transparency test |
Qualified |
Qualified |
— |
Peroxide solution chromaticity(250g/l) |
(15.0 Black once)max |
— |
— |
Packing |
PP bag with PE inner bag/fibre drum,25kgs per bag/drum |
|