Alkyl Polyglycosides: Technology, Properties, and by Karlheinz Hill, Wolfgang von Rybinski, Gerhard Stoll

By Karlheinz Hill, Wolfgang von Rybinski, Gerhard Stoll

Alkyl polyglycosides are a brand new new release of multi-application, ecologically secure nonionic surfactants that shape a evidently reusable source. Written by means of pioneers within the box, this identify information the technological, ecological, physicochemical and function features of alkyl polyglycosides, and discusses the present patent state of affairs of those new commercially practicable fabrics.

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Example text

The response factors and retention times are determined using the commercially available octyl-, decyl-, and dodecyl-p-D-glucopyranoside and dodecyl-p-D-maltoside for calibration. Components for which no calibration substance is available are quantified using the response factor of the nearest calibration substance of the same type. All alkyl oligoglycosides are quantified with the response factor of dodecyl-p-D-maltoside. A complete set of components identified and quantified by HTGC in a typical alkyl polyglycoside sample is shown in Table 2.

The components in an alkyl polyglycoside sample are separated according to alkyl chain lengths. The stationary phase in this system is hydrophobic silica gel (octadecyl trichlorosilane derivative). The method is applied for a clear identification of the alkyl polyglycoside composition, either for an alkyl polyglycoside product itself or in consumer product analysis. A typical RP TLC plate from dishwashing detergent and laundry detergent analysis is shown in Figure 11. Normal-phase and reversed-phase TLC have proven to be fast, uncomplicated methods which give satisfactory results for most samples.

The response factors and retention times are determined using the commercially available octyl-, decyl-, and dodecyl-p-D-glucopyranoside and dodecyl-p-D-maltoside for calibration. Components for which no calibration substance is available are quantified using the response factor of the nearest calibration substance of the same type. All alkyl oligoglycosides are quantified with the response factor of dodecyl-p-D-maltoside. A complete set of components identified and quantified by HTGC in a typical alkyl polyglycoside sample is shown in Table 2.

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