Photographic grade Potassium Bromide KBR
Photographic grade powder Potassium Bromide KBR.
- Price：
- CAS： 7758-02-3
- Main Content： KBR
Photographic grade Potassium Bromide 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 sensitive emulsion of film and photograph,developer and thicker, sedative in medicine, also be used to preparation of special soap, carving and printing.
CAS#:7758-02-3 HS:2827510000 EINECS No.: 231-830-3
Name: Potassium Bromide | Manufacture: Twin International Co., Limited | |
| Quantity: 10T | Package: In 25kg net plastic woven bags. Lined with plastic bags | |
| Item | Specification | Test Results |
Appearance | White Crystal/powder | OK |
| Assay: % | ≥ 99.5 | 99.51 |
Degree of clearance | Passed | OK |
Chlorides (as Cl ) % | ≤ 0.1 | 0.02 |
Sulphates (as SO4 ) % | ≤ 0.005 | < 0.005 |
Bromates(as BrO3)% | ≤0.001 | < 0.001 |
PH | 5.5—8.5 | 6.11 |
Moisture % | ≤ 0.3 | 0.20 |
Lead(as Pb)% | ≤ 0.0003 | < 0.0003 |
Transmittance 5% at410nm | ≥96.0 | 98 |
Iron(as Fe2O3)ppm | ≤2 | <2 |
| Comments: confirm to the standard | ||
Remark: We may make special specification according to customer’s requirements.
