|
Index name
|
Index
|
|
Grade
|
Super grade
|
Top grade
|
First grade
|
Second grade
|
|
Chroma ≤
|
20
|
20
|
30
|
70
|
|
Assay % ≥
|
99.5
|
98.5
|
98
|
95
|
|
Density (20C g/ml ≥
|
1.2598
|
1.2572
|
1.2559
|
1.2481
|
|
Chloride Assay (as Cl, %)≤
|
0.001
|
0.001
|
0.01
|
0.05
|
|
Sulfating Ash (%) ≤
|
0.01
|
0.01
|
0.01
|
0.01
|
|
Acidity or Alkalinity (mmol/100g)≤
|
0.064
|
0.064
|
0.1
|
0.3
|
|
Saponification equivalent (mmol/100g) ≤
|
0.64
|
0.64
|
1
|
3
|
|
Heavy metals Assay (as Pb, mg/kg)≤
|
5
|
5
|
5
|
5
|
|
As (as As, mg/kg)≤
|
2
|
2
|
2
|
|
Crude glycerine
(1)A colourless and odourless, sweet-tasting viscous liquid and it is hygroscopic.
(2)Miscible with water and ethanol; aqueous solution is neutral.
(3Soluble in ethyl acetate and ether; insoluble in benzene, chloroform, carbon tetrachloride,
carbon bisulfide, petroleum ether and oils.
(4)It is a good solubilizer, plasticizer, moisturising and preserving agent.
United Kingdom
