Photographic grade Crystal Potassium Bromide as medicine preparation KBR
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.
CAS#：7758-02-3
| SPEC | Photographic grade |
| ITEMS | Twin Standard |
| purity ％ | ≥99.5％ |
| Water insouluable ％ | ≤0.002％ |
| Chloride(Cl) ％ | ≤0.2％ |
| (BrO3) ％ | ≤0.001％ |
| Salts SO4 ％ | ≤0.002％ |
| Heavy Metal(Pb) ％ | ≤0.0005％ |
| Dry lossity weight ％ | ≤0.2％ |
| Middle Control Item | |
| White degree ％ | 90％ |
| Permeationrate 15％ | 98％ |
| Particle size (micron) | 90％ overpass 100 |
| Provide reference | |
| Produce technics | Deoxidize Carbamide |
| Packing | 25KG/bag |
