Reagents

Specifications

Assay Min 98 % Silver (Ag) 68.5-69.5 % Total impurities Max 0.05 % Insoluble in watter Max 0.02 % Fraction that cannot be Max 0.03 % precipitated with HCl Nitrate Max 0.001 % Aluminium (Al) Max 0.001 % Gold (Au) Max 0.001 % Calcium (Ca) Max 0.001 %

Specifications

Assay (oxidimetric, as (NH4)2Ce(NO3)6] Min.99.0 % Substance insoluble in dilute H2SO4 Max. 0.05% Chloride (Cl) Max. 0.01% Phosphate (PO4) Max. 0.02% Heavy metal (as Pb) Max. 0.002% Iron (Fe) Max. 0.005% Sodium (Na) Max. 0.005% Appearance A reddish-orange crystalline powder

Specifications

Assay Min 98 % Chloride (Cl) Max 0.001 % Iron (Fe) Max 0.005 % Appearance Yellow orange crystalline powder

Specifications

Assay % Min 99.0 Chloride (Cl) % Max 0.001 Phosphate (PO4) % Max 0.02 Iron (Fe) % Max 0.005 Insoluble matter % Max 0.01

Specifications

Ammonia (NH3) Min 30.0 % Chloride (Cl) Max 0.0035 % Phosphate (PO4) Max 0.001 % Sulfate (SO4) Max 0.005 % Iron (Fe) Max 0.001 % Residue on ignition (as SO4) Max 0.1 % Heavy metals (as Pb) Max 0.001 % Appearance White powder or crystals and/or chunks having ammonical odour

Specifications

Assay (as NH3) Min 31 % Water insoluble matter Max 0.005 % Chloride (Cl) Max 0.0005 % Sulfur compounds (as SO4) Max 0.002 % Iron (Fe) Max 0.0005 % Heavy metals (as Pb) Max 0.0005 % Non volatile matter Max 0.01 % Appearance White crystalline flakes havingammonical odour

Specifications

Assay (ex Br) Max 99 % Chloride (Cl) Max 0.5 % Sulfate (SO4) Max 0.005 % Iron (Fe) Max 0.001 % Lead (Pb) Max 0.001 %

Specifications

Assay (argentometric) % Min 99.5 Insoluble matter % Max 0.005 pH (5%; water at 25°C) 4.5-6.0 Residue on ignition % Max 0.01 Bromate (BrO3) % Max 0.002 Chloride (Cl) % Max 0.2 Iodide (I) % Max 0.005 Sulfate (SO4) % Max 0.005 Barium (Ba) % Max 0.002 Iron (Fe) % Max 0.0005 Heavy metals (as Pb) % Max 0.0005

Specifications

Assay (as CuCl2.2H2O) Min 99.0 % Assay (on dried basis as CuCl2) 99.0 - 100.5 % Insoluble matter Max 0.01 % Nitrate (NO3) Max 0.015 % Sulfate (SO4) Max 0.005 % Iron (Fe) Max 0.005 % Nickel (Ni) Max 0.01 %