Reagents

Specifications

Assay % Min 99.0 Substance insoluble in Hcl % Max 0.01 Substance insoluble in water % Max 0.05 Chloride (Cl) % Max 0.05 Sulphate (SO4) % Max 0.01 Arsenic (As) % Max 0.03 Calcium (Ca) % Max 0.002 Copper (Cu) % Max 0.002 Iron (Fe) % Max 0.003 Potassium (K) % Max 0.002 Sodium (Na) % Max 0.002 Lead (Pb) % Max 0.025

Specifications

Assay Min 99 % Substance insoluble in HCl Max 0.01 % Chloride (Cl) Max 0.05 % Sulphate (SO4) Max 0.01 % Arsenic (As) Max 0.03 % Calcium (Ca) Max 0.002 % Copper (Cu) Max 0.002 % Iron (Fe) Max 0.003 % Potassium (K) Max 0.002 % Sodium (Na) Max 0.002 %

Specifications

Assay Min 99 % Substance insoluble in chloroform Max 0.05 % Substance insoluble in HCl Max 0.005 % Sulphate (SO4) Max 0.005 % Arsenic (As) Max 0.0005 % Calcium (Ca) Max 0.005 % Lead (Pb) Max 0.003 % Iron (Fe) Max 0.002 % Copper (Cu) Max 0.0005 %

Specifications

Assay % Min 99.5 Lead (Pb) % Max 0.05 Iron (Fe) % Max 0.01 Copper (Cu) % Max 0.005

Specifications

Assay % Min 98 Chloride (Cl) % Max 0.2 Sulfate (SO4) % Max 0.05

Specifications

Assay Min 99.0 % Insoluble matter inNH4OH Max 0.01% (passes ACS test) Chloride (Cl) Max 0.005 % Sulfate (SO4) Max 0.01 % Phosphate (PO4) Max 0.005 % Iron (Fe) Max 0.003 % Carbonate (as CO3) Max 0.3 % (passes ACS test) Appearance White to tan color powder

Specifications

Assay (iodometric) 95.0 - 99.0 % pH (5%, water) 5.0 - 7.0 Appearance White deliquescent crystals