Reagents

Specifications

Solubility Soluble in ethanol Refractive index at 25°C 1.466 - 1.476 Specific gravity at 25°C 0.850 - 0.868 Acid test Orange colour Distillation range Min 90% between 154 - 170°C Peroxide % Max 0.002 Residue on evaporation % Max 0.5

Specifications

Assay Min 97.0 % Sulfate (So4) Max 0.01 % Arsenic (As) Max 0.0002 % Iron (Fe) Max 0.01 % Appearance Colourless crystals

Specifications

Insoluble matter % Max 0.5 Sulfated ash % Max 5.0 Acid insoluble ash % Max 1 Loss on drying % Max 15

Specifications

Assay % 60.0 - 62.0 Residue on ignition (as SO4) % Max 0.003 Matter insoluble in ethanol % Max 0.001 Chlorate (ClO3) % Max 0.001 Chloride (Cl) % Max 0.0001 Free chlorine (Cl) % Max 0.0005 Nitrate (NO3) % Max 0.001 Phosphate & Silicate (SiO2) % Max 0.0003 Sulfate (SO4) % Max 0.004 Ammonium (NH4) % Max 0.002 Arsenic (As) % Max 0.000005 Copper (Cu) % Max 0.00001 Iron (Fe) % Max 0.00005 Lead (Pb) % Max 0.00001 Manganese (Mn) % Max 0.00005 Mercury (Hg) % Max 0.00001 Potassium (K) % Max 0.002 Silver (Ag) % Max 0.00001 Sodium (Na) % Max 0.002 Specific gravity 1.54

Specifications

Solidification point 56 - 58 ° C Impurities with an acidic or alkaline reaction Passes test Aromatic polycyclic hydrocarbons Passes test Reaction against sulfuric acid Passes test Sulfated ash % Max 0.05

Specifications

Assay 69 - 70.0 % Colour scale Max 10 APHA Weight/ ml at 20°C 1.41 - 1.42 g Residue on ignition Max 0.0005 % Chloride (Cl) Max 0.00005 % Phosphate and silicate (as SiO2) Max 0.0001 % Sulphate (SO4) Max 0.0001 % Arsenic (As) Max 0.000001 % Copper (Cu) Max 0.00001 % Iron (Fe) Max 0.00002 % Heavy metal (as Pb) Max 0.00002 % Manganese (Mn) Max 0.00004 % Appearance A clear colorless liquid

Specifications

Assay Min. 98.0 % Loss on ignition Max. 2.0 % Insoluble matter c = 4%; dilute HCl Max. 0.5 % Sodium (Na) Max. 0.5 % Barium (Ba) Max. 0.005 % Calcium (Ca) Max. 0.05 % Chloride (Cl) Max. 0.01 % Iron (Fe) Max. 0.01 % Potassium (K) Max. 0.005 % Manganese (Mn) Max. 0.0005 %

Specifications

Assay (Acidimetric) 36.5 - 38.0 % Non volatile matter Max. 0.01 % Free Chloride (Cl) Max. 0.0005 % Sulfuric acid (H2SO4) Max. 0.02 % Weight/mL at 20°C 1.183 - 1.189 Iron (Fe) Max 0.001 % Lead (Pb) Max 0.0005 % Appearance A clear colorless fuming liquid

Specifications

Assay 37-38.0 % density (20°C) Min. 1.18 g/ml residue on ignition (SO4) Max 0.0005 % non-volatile matter Max. 0.005 % ammonium (NH4) Max. 0.0001 % silver (Ag) Max. 0.000001 % aluminium (Al) Max. 0.000005 % arsenic (As) Max. 0.000001 % barium (Ba) Max. 0.000002 % beryllium (Be) Max. 0.000002 % bismuth (Bi) max. 0.00001 %