Photographic Grade Pharmaceutical grade
NaBr 99.5 % Min. 99 % Min.
Moisture 0.3 % Max. 0.5 % Max.
Cl 0.2 % Max. 0.5% Max.
SO4 0.05 % Max. 0.1 % Max.
BrO3 Pass Pass
I 0.1 % Max. Pass
Pb 0.0002 % Max. 0.001 % Max.
As 0.00005 % Max. 0.0004 % Max.