Product Description

Photographic grade Crystal 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 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 Batch No： Inspection Date： Quantity：1T Package：In 25kg net plastic woven bags. Item Specification Test Results 1、 Appearance: White Crystal OK 2、 Assay: %： ≥ 99.5 99.51 3、 Degree of clearance: Passed OK 4、Chlorides (as Cl ) %: ≤ 0.1 0.02 5、Sulphates (as SO4 ) %: ≤ 0.005 < 0.005 6、Bromates(as BrO3)%: ≤0.001 < 0.001 7、PH: 5.5—8.5 6.11 8、 Moisture %: ≤ 0.3 0.20 9、Lead(as Pb)%: ≤ 0.0003 < 0.0003 10、Transmittance 5% at410nm: ≥96.0 98 11、Iron(as Fe2O3)ppm: ≤2 ＜2 Comments: confirm to the standard Remark: We may make special specification according to customer’s requirements.