Products
Ammonium Bromide
Molecular formula: NH4Br CAS No.: 12124-97-9
Nomal Specification
Ammonium Bromide
| 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 to 6.0 | 4.5 to 6.0 | 4.5 to 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 |
