Reagents

Specifications

Appearance Clear colorless liquid Normality 1N +/- 0.1%

Specifications

Certified Value & Uncertainty (mol/L) 0.0999 + 0.0004* (at 25°C) *The certified value is expressed at 95% level of confidence

Specifications

Sulfated ash Max 1.0 % Loss on drying (at 105°C) Max 2.0 % Appearance Purple-red solid with green metallic luster

Specifications

Absorption maxima (0.001 in H2O)% About 521nm Specific absorption (At 521nm; 1%, 1cm, water) Min 300 Sulfated ash Max 1.0 % Loss on drying (105°C) Max 2.0 % Appearance Purple-red solid with green metallic luster

Specifications

Assay % MIN 99 Chloride (Cl) % MAX 0.01 Iron (Fe) % MAX 0.002 Sulfated ash % MAX 0.1 Sulfate (SO4) % MAX 0.02

Specifications

Assay 99 - 101 % Insoluble matter Max 0.005 % Chloride (Cl) Max 0.002 % Sulphate (SO4) Max 0.002 % Iron (Fe) Max 0.0002 % Heavy metals (as Pb) Max 0.0005 % Residue on ignition Max 0.02 % Appearance White crystalline powder

Specifications

Assay (acidimetric) 98.0 - 102.0 % pH (5% solution in CO2 free water) 7.7 - 8.1 Insoluble matter Max 0.005 % Chloride (Cl) Max 0.003 % Nitrate (NO3) Max 0.003 % Sulphate (SO4) Max 0.01 % Arsenic (As) Max 0.0001 % Calcium (Ca) Max 0.003 % Iron (Fe) Max 0.001 % Heavy metal (as Pb) Max 0.001 % Potassium (K) Max 0.005 % Sodium (Na) Max 0.005 % Appearance White crystals, crystalline powder and / or chunks

Specifications

Assay % Min 99.0 Insoluble matter % Max 0.003 Non-volatile matter % Max 0.005 Chloride (Cl) % Max 0.0002 Phosphate (PO4) % Max 0.001 Silicate (SiO2) % Max 0.005 Sulfate (SO4) % Max 0.002 Sulfide (S) % Max 0.0002 Arsenic (As) % Max 0.00004 Calcium (Ca) % Max 0.002 Copper (Cu) % Max 0.0002 Iron (Fe) % Max 0.0001 Lead (Pb)) % Max 0.0002 Magnesium (Mg) Max 0.002 Porassium (K) Max 0.002 Sodium (Na) Max 0.005

Specifications

Assay Min. 98.5 % Non-volatile matter Max.0.01 % Chloride (Cl) Max.0.005 % Sulphate (SO4) Max.0.01 % Iron (Fe) Max.0.002 % Lead (Pb) Max.0.0005 %