glycerol
Glycerol is widely used as a solvent; as a sweetener; in the manufacture of dynamite, cosmetics, liquid soaps, candy, liqueurs, inks, and lubricants; to keep fabrics pliable; as a component of antifreeze mixtures; as a source of nutrients for fermentation cultures in the production of antibiotics ; and in medicine. It has many other uses as well.
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Index name
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Index
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Grade
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Super grade
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Top grade
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First grade
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Second grade
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Chroma ≤
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20
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20
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30
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70
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Assay % ≥
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99.5
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98.5
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98
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95
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Density (20 C)g/ml ≥
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1.2598
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1.2572
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1.2559
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1.2481
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Chloride Assay (as Cl, %)≤
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0.001
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0.001
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0.01
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0.05
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Sulfating Ash (%) ≤
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0.01
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0.01
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0.01
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0.01
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Acidity or Alkalinity (mmol/100g) ≤
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0.064
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0.064
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0.1
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0.3
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Saponification equivalent (mmol/100g) ≤
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0.64
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0.64
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1
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3
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Heavy metals Assay (as Pb, mg/kg) ≤
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5
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5
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5
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5
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As (as As, mg/kg) ≤
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2
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2
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2
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2
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