Reagents

Specifications

Assay Min 98 % Weight/ mL at 20°C 0.980 - 0.983 g Non volatile matter Max 0.02 % Appearance A clear colorless liquid with characteristic odor

Specifications

Assay Min. 99.0 % Wt /ml at 20°C 1.035 - 1.040 g Refractive index 1.4320 - 1.4330 Solution 10% aqueous Clear Water Max. 0.3 % Acidity /alkalinity Max. 0.3 ml N % Appearance Clear colourless liquid

Specifications

Assay (GC area %) Min 99.5 % Chloride (CI) Max 0.007% Residue on ignition Max 0.007% Acidity Passes test Sulphate (So4) Max 0.006% Heavy metals (as Pb) Max 0.0005% Density (d20°C/4°C) 1.035 - 1.040 Density (d25°C/25°C) 1.035 - 1.037 Refractive index (20°C; 589 nm) 1.431 - 1.433 Boiling Point 184 - 189 °C Diethylene glycol (GC) Max 0.1% Ethylene glycol (GC) Max 0.1% Sulphated ash Max 0.007 % Water (H2O) Max 0.2% Identity D (Ph Eur) Melting point of crystals formed on reaction - 121 to Appearance Clear colourless liquid

Specifications

Assay % Min 99 Density (d20°/4°C 0.687 - 0.688 Water % Max 0.5

Specifications

Assay (GC area %) Min 99 % Density (d20°C/4°C) 0.720 - 0.723 APHA colour Max 25 Titrable acid Max 0.0005 meq/g Alkalinity Max 0.0002 meq/g Aluminium (Al) Max 0.00005 % Barium (Ba) Max 0.00001 % Boron (B) Max 0.000005 % Cadmium (Cd) Max 0.000005 % Calcium (Ca) Max 0.00005 % Chromium (Cr) Max 0.000002 %

Specifications

Assay Min 98.0 Density (d 20°C/4°C) 1.009 - 1.011 Refractive index n20°/D About 1.4040

Specifications

Assay % Min 99.0 Wt.per ml at 20 °C 0.991 - 0.994 g Refractive index 1.386 - 1.388

Specifications

Assay (By GC) % Min 99.0 Water (KF) % Max 0.5 Acidity meq/g Max 0.0005 Residue on Evaporation % Max 0.005

Specifications

Assay (by GC) Min 99.8 % Water (KF) Max 0.1 % Acidity (meq/g) Max 0.0001 Residue after Evaporation Max 0.001 % Refractive index at 20°C 1.3766 - 1.3786 Subs. reducing KMnO4 Max 0.0005 % C4 alcohols Max 0.005 % C5 alcohols Max 0.005 % Calcium (Ca) Max 0.00002 % Copper (Cu) Max 0.000002 % Ethanol Max 0.005 %

Specifications

Assay (GC) Min 99.8 % Water Max 0.02 % free chloride Max. 0.0005 % absorbance at 233nm Max. 1 absorbance at 240 nm Max. 0.2 absorbance at 250 nm Max. 0.02 absorbance at 260 nm Max. 0.005 absorbance at 270 nm Max. 0.005 absorbance at 280 nm Max. 0.005 Residue after evaporation (ppm) Max 2 Wavelength @ 1 A.U. Max 233 nm Appearance Clear colourless Mobile liquid

Specifications

Assay (by GC) Min 99.8% Water (KF) Max 0.2% Identity (meq/g) Max 0.0005 Residue on Evaporation Max 0.0005% Interfering of peaks caused by impurities determined as: -Lindane (GC/ECD) max.5ng/l or passes test Parathion (GC/NPD) max.10ng/l

Specifications

Assay (by GC) Min 99.5 % Calcium (Ca) Max 0.00002 % Colour APHA Max 10 Copper (Cu) Max 0.000002 % Ethanol Max 0.01 % Iron (Fe) Max 0.00001 % Lead (Pb) Max 0.000002 % Magnesium (Mg) Max 0.00001 % Methanol Max 0.005 % Potassium (K) Max 0.00002 % Propan-2-ol Max 0.005 % Residue after evaporation (ppm) Max 10 Sodium (Na) Max 0.0001 % Substances darkened by H2SO4 (APHA)Max 10

Specifications

Assay (GC) % Min 99.5 Wt. Per ml at 20°C 1.035 - 1.037 g Refractive index Ë 1.431 - 1.433 Boiling range (95%) °C 186 - 189 Free acid (CH3COOh) % Max 0.002 Free alkali (as NaOh) % Max 0.002 Chloride (Cl) % Max 0.005 Lead (Pb) % Max 0.0005 Water % Max 0.1 Sulfate (SO4) % Max 0.002 Iron (Fe) % Max 0.0001

Specifications

Assay (argentometric) Min 98 % Chloride (Cl) Max 0.01 % Sulphate (SO4) Max 0.05 % Sulphide (S) Max 0.002 % Heavy metal (as Pb) Max 0.001 % Ammonium (NH4) Max 0.05 % Iron (Fe) Max 0.005 % Appearance Colorless to white deliquescent crystals

Specifications

Assay (Argentometric) Min 98.5 % Substance insoluble in water Max. 0.005 % pH (5% in water) 5.3 - 8.5 Sulphate (SO4) Max. 0.005 % Ammonium (NH4) Max. 0.003 % Iron (Fe) Max. 0.0002 % Heavy metals (as Pb) Max. 0.0005 % Sodium (Na) Max. 0.005 % Iodine consuming substance % Passes ACS test Appearance Colorless to white deliquescent crystals

Specifications

Certified Value & Uncertainty (mol/L) 0.1001 + 0.0005* (at 25°C) Description 0.1M Potassium Thiocyanate (KSCN)

Specifications

Assay Min 98 % Acidity or alkalinity Max 1 ml N % Chloride (Cl) Max 0.005 % Sulphate (SO4) Max 0.05 % Appearance Colorless crystalline powder

Specifications

Assay 99-102 % Insoluble matter Max 0.005 % pH (5% solution in water, 20°C) 7-8.5 Chloride (Cl) Max 0.0005 % Sulfate (SO4) Max 0.005 % Phosphate (PO4) Max 0.001 % Ammonium (NH4) Max 0.002 % Heavy metal (as Pb) Max 0.0005 % Iron (Fe) Max 0.0005 % Copper (Cu) Max 0.0005 % Calcium (Ca) Max 0.004 % Appearance Colorless crystalline powder