ISO 2270:1989 (R2021)
Active , Confirmed Standard
Most Recent

ISO 2270:1989 (R2021)

Non-ionic surface active agents — Polyethoxylated derivatives — Iodometric determination of oxyethylene groups
Most recent standard

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 08/17/1989
Confirmation Date 06/21/2021
Edition 2
Page Count 5
EAN ---
ISBN ---
Weight (in grams) ---
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