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Subject: |
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| Peppermint Oil |
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A) Specifications:
Color and appearance: slightly yellow clear liquid. color no.6 max.
Odor: having a characteristic odor of menthe avensis peppermint oil
Specific gravity (20/20¡ãC): 0.888 - 0.908
Refractive index (20¡ãC): 1.4560 - 1.4660
Optical rotation (20¡ãC): -24 -17
Solubility: 1 volume soluble in 3.5 volumes of 70% alcohol forming a clear solution
Acid value (mg.KOH/g): 1.0 max.
Ester value (ester content): 5.6 - 18.4 (2.0% - 6.5%)
Ester value after acetylation (equivalent to free alcohol content): 150 (45.0%) max.
Total alcohol content: 50.0% min.
Carbonyl compound content: 25.0 - 45.0%
Arsenic content (As): 3ppm max.
Heavy metal (calculated as Pb): 10ppm max.
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| 2014/8/20 |
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