Item Analysis Unit Spec 1. Appearance Clear Clear 2. Odour - Odourless 3. Glycerol content %wt 99.5% Min 4. Specific Gravity (25/25 C) - 1.249 Min 5. Colour (APHA) - 10 Max 6. Heavy Metal (as Pb) ppm 5 Max 7. Chloride ppm 10 Max 8. Fatty Acids & Esters ml 1.0 Max 9. Sulphate ppm 20 Max 10. Arsenic ppm 1.5 Max 11. Lead (Pb) ppm 1 Max 12. Iron Content ppm 2 Max. 250 kg /drum steel drum.