China Factory Price High Quality Potassium Bromide with Best Price CAS 7758-02-3, Find details about China Potassium Bromide, Bromide from Factory Price High Quality Potassium Bromide with Best Price CAS 7758-02-3
99% potassium bromide with CAS No.: 7758-02-3
Specifications
Iems | First Grade | 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) | 6.07.5 | 5.57.5 | 5.57.5 |
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) | 93100(410nm) | 85100(410nm) | / |
Transparency test | Qualified | Qualified | / |
Ammonia | 15.0ppm max | / | / |
Peroxide solution chromaticity(250g/l) | (15.0 Black once)max | / | / |
Potassium Bromide KBr Properties:
This product is white crystal. It is free of smell and tastes salty and slightly bitter, with specific gravity 2.75(25°C),melting point of 734°C,and boiling point of 1435°C.It can dissolve water and glycerine,hardly dissolves in alcohol and ether with slightly deliquescence and under sunlight it will become yellow easily.
Application
a. Making photographic film and photo emulsion material.
b. Making sedative in medical industry.
c. Making plastic and printing auxiliaries.
d. As chemical analysis reagent, etc
Storage
Quantity(Kilograms) | 1 - 5000 | >5000 |
Est. Time(days) | 7 | To be negotiated |