CAS:7758-02-3 | Potassium Bromide

Product specification

Export grade

Photographic grade

Reagent grade

Standard

USP-34

HG/T3570-2001

GB/T649-1999

Assay ％

≥99.5

≥99.5

≥99.0

Water insoluble ％

≤0.005

≤0.01

≤0.005

Chloride (Cl) ％

≤0.2

≤0.5

≤0.2

Iodide(I) ％

≤0.05

≤0.01

≤0.005

Bromate(BrO₃^2-) ％

≤0.001

≤0.003

≤0.001

Ba ％

≤0.0002

≤0.002

≤0.002

Ca ％

≤0.0001

≤0.001

≤0.002

Mg ％

≤0.0001

≤0.001

≤0.0005

Na ％

≤0.005

≤0.005

≤0.02

Total Nitrogen (N) ％

≤0.0005

≤0.0005

≤0.001

Bi ％

≤0.0002

≤0.0005

≤0.0001

Sulfate (SO₄^2-) ％

≤0.002

≤0.005

≤0.01

Fe ％

≤0.00005

≤0.0001

≤0.0002

Cu ％

≤0.0005

≤0.002

-

Heavy metal (Pb) ％

≤0.00002

≤0.00005

≤0.002

PH value (15％ Aq. solution/25℃)

6-7.5

6-7.5

5.5-8.5

Intermediate inspection

Appearance Identification

white crystal

white crystal

white crystal

Loss on dry (105℃/2H) ％

≤0.1

≤0.2

≤0.2

Whiteness (70-90umGranularity) ％

≥90

≥85

≥85

Transmission (15％ Aq. solution) ％

≥98

≥96

≥95

Granularity (U.S.SCREEN) mesh

90％ pass 30-100 mesh

90％ pass 30-100 mesh

90％ pass 30-100 mesh

Shelf life year

Two years

one year

Two years

Supply reference

Production process

Recrystallization method

Recrystallization method

Urea restore method

Packing

25KG bag/22T/(20')FCL

25KG bag/22T/(20')FCL

25KG bag/22T/(20')FCL

Specification of price

FCL

FCL

FCL

Quoted price CNY/T

Validity period of quoted price

3 months

3 months

3 months