Sodium Tungstate 99% 500g EXP feb 2021
6057-500g

Appearance: white crystalline powder

Assay: 99-101%

Insoluble matter Max 0.01%

Free alkali Max 0.02 meq/gm

Chlor ine Max 0.005%

Sulp hate Max 0.01%

Total nitr ogen Max  0.001%

Heavy metals and iro n Max 0.001%

Arse nic Max 0.0005%