Potassium Bromide
1. Content: 99.5%
2. CAS No.: 7758-02-3
3. HS No.: 28275100
4. Packing: 25kg/bag
Potassium Bromide Items | Photo First Grade | Photo Second Grade | Medical Grade | Main content | 99.5% min | 99.5% min | 99.0% min | Loss on drying | 0.3% 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%) | 6.0—7.5 | 5.5—7.5 | 5.5—7.5 | 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) | 93~100 (410nm) | 85~100(410nm) | — | Transparency test | Qualified | Qualified | — | Ammonia | 15.0ppm max | — | — | Peroxide solution chromaticity(250g/l) | (15.0 Black once)max | — | — |
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Potassium Bromide-Photo Grade
