Reagents

Specifications

Assay % Min 99 Assay of PbO % Min 33 Acid insoluble matter % Max 0.02 Water insoluble matter % Max 1 Chloride (Cl) % Max 0.003 Nitrate (NO3) % Max 0.002 Calcium (Ca) % Max 0.01 Copper (Cu) % Max 0.001 Iron (Fe) % Max 0.002 Potassium (K) % Max 0.02 Sodium (Na) % Max 0.05 Loss on drying (at 105°C) % Max 1

Specifications

Assay Min 99 % Melting point 43 - 45°C Appearance White flakes

Specifications

Assay (Dried) % Min 97.0 Water % 5 - 15

Specifications

Specific rotation At 20 °C (10% in water) +54.4° to +55.9° Sulfated ash Max 0.5% Water (KF) 4.5 - 5.5% Heavy metals (as Pb) Max 0.0005% Arsenic (As) Max 0.0001% Copper (Cu) Max 0.0025% Lead (Pb) Max 0.00005% Zinc (Zn) Max 0.0025% Loss on drying (at 80 °C,2 hrs.) Max 0.5% Matter extractable with ethanol Max 0.4%

Specifications

Specific optical rotation +54.4° to +55.9° Water (by KF) 4.5 -5.5 % Sulfated ash Max 0.5 % Arsenic (As) Max 0.0001% Copper (Cu) Max 0.0025 % Lead (Pb) Max 0.00005 % Heavy metal (as Pb) Max 0.0005 % Arsenic (As) Max 0.0001 % Zinc (Zn) Max 0.0025 % Loss on drying (at 80°C ; 2 hrs) Max 0.5 % Matter extractable with ethanol Max 0.4 % Appearance White or almost white crystalline powder

Specifications

Assay 88 - 92 % Sulfated ash Max 0.1 % Iron (Fe) Max 0.001 % Chloride (Cl) Max 0.2 % Sulfate (SO4) Max 0.02 % Heavy metals (as Pb) Max 0.001 % Arsenic (As) Max 0.0003 % Calcium (Ca) Max 0.02 % Mercury (Hg) Max 0.0001 % Lead (Pb) Max 0.0005 % Wt./ml at 20°C 1.20 - 1.21 g

Specifications

Color scale Max 50 APHA Total acidity (as lactic acid) Min. 88.0% w/w Stereochemical purity (L+) Min. 97.0 % Density at 20°C 1.19-1.21 g/ml Heavy metals (as Pb) Max 0.001 % Iron (Fe) Max 0.001 % Calcium (Ca) Max 0.001 % Chloride (Cl) Max 0.001 % Sulfate (SO4) Max 0.001 % Sulfated ash Max 0.05 % Cyanide (CN) Max 0.0005 %

Specifications

Assay Min 99.5% Melting point 267 - 270 °C

Specifications

Assay (Acidimetric) % Min 99.0 Melting point °C 112 -116 Chloride (Cl) % Max 0.005

Specifications

Assay (by HClO4 titration) Min 99 % Melting point 169 - 172°C Appearance White to off white powder

Specifications

Assay (GC) Min 99.5 % Acidity/alkalinity meq/g Max 0.0001 Calcium (Ca) Max 0.00005 % Colour Max 10 APHA Copper (Cu) Max 0.00001 % Iron (Fe) Max 0.00002 % Lead (Pb) Max 0.00001 % Magnesium (Mg) Max 0.00002 % Potassium (K) Max 0.00002 % Residue after evaporation Max 0.002 % Sodium (Na) Max 0.00005 %

Specifications

Description Clear colourless Identification Positive liquid Density at 20° C 0.687 ÷ 0.697 Refractive index at 20°C 1.3885 ÷ 1.3945 Boiling point 98.2 ÷ 100.2 °C Water (K.F.) <=0.005 % Residue on evaporation <=0.0002% Acidity or alkalinity =99.5% at 205 nm >=10% at 215 nm >=60% at 220 nm >=80% at 230 nm >=90% at 240 nm >=95% at 260 nm >=99% Aromatic compounds <= 0.0005%

Specifications

Assay (GC, area %) % Min 98.0 Density (d20°C/4°C) 0.870 - 0.872 Identity IR Spectrum Passes test

Specifications

Assay % Min 98.0 Free acid (as CH3COOH) % Max 0.1 d 20°/4°C 0.872 - 0.873 Iso-amyl alcohol % Max 1.0 Water % Max 0.1