Improvement in accuracy in the gas-liquid chromatographic determination of the molecular-weight distribution of polyoxyethylene non-ionic surfactants
✍ Scribed by L. Favretto; B. Stancher
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 324 KB
- Volume
- 108
- Category
- Article
- ISSN
- 1873-3778
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✦ Synopsis
in accuracy in the gas-liquid chromatographic determination of the molecular-weight distribution of polyoxyethylene non-ionic surfactants
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The retention behaviour of non-ionic surfactants containing different hydrophobic moiety and various lengths of polar ethylene oxide chain was studied on RP-8 and RP-18 columns using methanol and acetonitrile as organic modifiers. The relative impact of the chromatographic conditions on the retentio
## Abstract The fractions obtained by cationic active chain‐end polymerization of 1,3,6‐trioxacylooctane initiated with (CF~3~SO~2~)~2~O (I), CF~3~SOOCC~6~H~4~CO^⊕⊖^O~3~SCF~3~( II) and (C~6~H~5~)~3~C^⊕^PF (III) were investigated using high‐performance liquid chromatography (HPLC) at the “critical p