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ISO 1271:1983 PDF

ISO 1271:1983 PDF

Name:
ISO 1271:1983 PDF

Published Date:
12/01/1983

Status:
Active

Description:

Essential oils -- Determination of carbonyl value -- Free hydroxylamine method

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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$16.2
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The determination is carried out by converting the carbonyl compounds to oximes by reaction with free hydroxylamine liberated in a mixture of hydroxylammoniumchloride and potassium hydroxide. The excess alkali is titrated with hydrochloric acid solution, either colorimetrically or potentiometrically. The method is applicable to essential oils which contain carbonyl compounds (especially ketones, excluding methylketones) which are difficult to convert to oximes by the method specified in ISO 1279. The method is not applicable to essential oils which contain substantial amounts of esters of other alkali-sensitive constituents.


File Size : 1 file , 300 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 4
Published : 12/01/1983
Same As : ISO 1271:1983

History

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