Glycerin Specification
| Test | C.P. | I.W. | TECH. | DYN |
| Appearance | Clear, syrupy liquid consisting essentially of Glycerol | Clear, syrupy liquid consisting essentially of Glycerol | Clear, syrupy liquid consisting essentially of Glycerol | Clear, syrupy liquid consisting essentially of Glycerol |
| Glycerol per cent by mass | 98.0% Min. | 98.0% Min. | 98.0% Min. | 98.7% Min. |
| Relative Density at 30°/30° C | 1.2552 Min. | 1.2552 Min. | 1.2552 Min. | 1.2571 Min. |
| Color Reading on lovibond scale expressed as (y+R) not deeper than (in 5 ¼ “ cell) | 1.0 | 3.5 | 8.0 | 5.0 |
| Ash per cent by mass | 0.01 Max. | 0.01 Max. | 0.05 Max. | 0.025 Max. |
| Iron (as Fe) ppm | 0.5 Max. | - | 2.0 Max. | - |
| Chlorides (As Cl) ppm | 10.0 Max. | 60.0 Max. | 60.0 Max. | 30.0 Max. |
| Sulphate (as SO4) ppm | 10.0 Max. | - | - | 34.0 Max. |
| Fatty acid and esters (as Na2O)% by mass. | 0.03 % Max. | - | - | 0.05 Max. |