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Oragnoleptic properties
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Specification
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|
Appearance
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Colourless to pale yellow liquid
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|
Odour
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Characteristic odor
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Solubility
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Practically insoluble in water and in Ethanol (96%), miscible with light petroleum (bp: 40-0°C).
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|
Physical Characteristic
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|
|
Refractive index @ 20 oC
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1.474 to 1.478
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Identification
A Fatty acid composition
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The Sample should comply with the test given under composition of fatty acids.
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B Identification of fixed oils by Thin Layer Chromatography
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The Sample should comply with the test
|
|
Specific gravity @ 25 oC
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0.895 to 0.935
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Acid value
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NMT 1.0 mg KOH/gm
|
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Iodine value
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92 to 118
|
|
Peroxide value
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10 max
|
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Water content
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0.10% Max
|
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Saponifiable number
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184 to 194
|
|
Un saponifable matter
|
2.0% max
|
|
Absorbance (264-276nm)
|
0.2 to 6.0
|
|
Elemental contaminants
Arsenic
Cadmium
Lead
Mercury
|
NMT 1.5µg/g
NMT 0. 5µg/g
NMT 0. 5µg/g
NMT 1. 5µg/g
|
|
Chromatographic Analysis:%
Palmitic acid
Stearic acid
Oleic acid
Linoleic acid
Y linolenic acid
a Arachidic acid
Gadoleic acid
Behenic acid
Erucic acid
Nervonic acid
|
8 to 11
2 to 5.0
14 to 19
34 to 42
18 to 24
0.5 NMT
2. to 6.0
NMT 0.8
NMT 0.5
NMT 4.5
|
