ISO 2270:1989
Current
The latest, up-to-date edition.
Non-ionic surface active agents Polyethoxylated derivatives Iodometric determination of oxyethylene groups
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English, French
17-08-1989
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The sample is hydrolyzed by nascent hydroiodic acid. The iodine liberated is titrated with a standard volumetric sodium thiosulfate solution. The method is applicable to the analysis of polyethoxylated derivatives of primary saturated fatty alcohols, oleyl alcohol, satureted fatty acids, straight and branched chain alkylphenols. It is not applicable in the present of compounds containing sulfur or nitrogen, compounds containing oxypropylene group, aldehydes or acetals, sterols and derivatives.
| DevelopmentNote |
Also numbered as BS 6829-4.3(1990) (09/2005)
|
| DocumentType |
Standard
|
| Pages |
5
|
| PublisherName |
International Organization for Standardization
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| Status |
Current
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| Supersedes |
| Standards | Relationship |
| NFT 73 203 : 1972 | Identical |
| NBN ISO 2270 : 1990 | Identical |
| NEN ISO 2270 : 1990 | Identical |
| UNE 55518:1991 | Identical |
| DIN ISO 2270:1979-11 | Corresponds |
| NF ISO 2270 : 1989 | Identical |
| BS 3762:1964 | Similar to |
| BS 6829-4.3(1988) : LATEST | Identical |
| BS 6829-0:1987 | Analysis of surface active agents (raw materials) General introduction |
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