99.5% photographic grade Potassium Bromide

Категория: Halide ( Except Chloride ) >>>
Поставщик: Twin,Pharm,Co.,Ltd.

Цена:*

Количество:

Описание и отзывы

Трекер стоимости

Месяц	Минимальная цена	Макс. стоимость
Sep-16-2025	0.31 $*	0.11 $*
Aug-16-2025	0.61 $*	0.22 $*
Jul-16-2025	0.91 $*	0.93 $*
Jun-16-2025	0.76 $*	0.40 $*
May-16-2025	0.0 $*	0.89 $*
Apr-16-2025	0.94 $*	0.82 $*
Mar-16-2025	0.92 $*	0.49 $*
Feb-16-2025	0.70 $*	0.12 $*
Jan-16-2025	0.36 $*	0.4 $*

Характеристики

Product Description

Photographic grade 99.5% 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: photo grade Potassium Bromide	Manufacture: Twin International Co., Limited
Quantity: 18Ton	Package: In 25kg net plastic woven bags. Lined with plastic bags
Item	Specification	Test Results
Appearance	White Crystal or 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