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ISO 1388-5:1981 PDF
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Ethanol for industrial use — Methods of test — Part 5: Determination of aldehydes content — Visual colorimetric method
The method is applicable to products having aldehyde contents in the range 0.00025 % (m/m) to 0.00125 % (m/m). The principle is based on the reaction of the aldehydes present in a test portion with Schiff reagent. Visual comparison of the colour obtained with the colours of standard colorimetric solutions containing known quantities of acetaldehyde. – International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.
| Edition | 1981 |
|---|---|
| Standard Part No | 5 |
| Published Date | 1981 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
