BS 6829-4.2:1989
$86.31
Analysis of surface active agents (raw materials). Ethylene oxide adducts – Method for determination of polyethylene glycols and non-ionic active matter contents
| Published By | Publication Date | Number of Pages |
| BSI | 1989 | 12 |
This International Standard specifies a method for the determination of polyethylene glycols and non-ionic active matter (adducts) in fatty alcohol and alkylphenol polyoxyethylate derivatives.
Generally the commercial products contain polyethylene glycols as a by-product. The Weibull method allows the determination of both the non-ionic active matter (adducts) and the polyethylene glycols impurity.
Dissolution in ethyl acetate followed by extraction and gravimetric determination. Applicable to all non-ionic agents containing from 2 to 80 oxyethylene groups per molecule.
