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: 10TPackage: 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.

KBR Sample  powder.JPG