99.5% photo grade Ammonium Bromide CAS NO.12124-97-9

name: ammonium bromide

manufacture: twin international co., limited

quantity: 15t

package: in 25kg net plastic woven bags.

item specification test results

1. appearance: white crystal (powder) ok

2. assay: %: ≥ 99.5 99.65

3.iodide(as i) ≤ 0.006 <0.006

4.chlorides (as cl ) %: ≤ 0.1 0.03

5.sulphate(as so4)%: ≤0.005 <0.005

6.non-volatiles% ≤ 0.01 0.008

6.ph: (5% solution) 4.5—5.5 5.01

7.lead (as pb) ppm: ≤ 3 < 3

8.water insolubles% ≤ 0.005 0.003

9.transmission at 410nm,20% solution ,% ≥96 99.7

10.alkal earth metals (as ca) % ≤0.05 <0.05

8.iron (as fe₂o₃) ppm: ≤ 2 < 2

9.moisture %: ≤ 0.2 0.14

comments: confirm to the standard