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  1. Home
  2. ISO 2270:1989

ISO 2270:1989 ✓ Most Recent

716603

Non-ionic surface active agents -- Polyethoxylated derivatives -- Iodometric determination of oxyethylene groups

standard by International Organization for Standardization , 08/01/1989

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Identical Versions Available

  • BS 6829-4.3:1990

    January 1990
    Analysis of surface active agents (raw materials). Ethylene oxide adducts-Method for determination of oxyethylene groups

    • This is the most recent version of this document.

Full Description

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.

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  • International Organization for Standardization > By ICS Code > 71: Chemical technology > 71.100: Products of the chemical industry > 71.100.40: Surface active agents
  • International Organization for Standardization > By Technical Committee > TC 91: Surface active agents

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Product Details

Published:

08/01/1989

Number of Pages:

5

File Size:

1 file , 370 KB

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BS 6829-4.3:1990

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