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ASTM D3673-89(2009)

ASTM D3673-89(2009)

Standard Test Methods for Chemical Analysis of Alpha Olefin Sulfonates

2016-08-26 /Historical
Superseeded by:
Significance and Use:

This method is suitable as a quality control test for the measurement of color in alpha olefin sulfonates.


1.1 These test methods cover the chemical analysis of alpha olefin sulfonates. The analytical procedures appear in the following order:

Moisture by the Distillation Method4-8
Sodium Sulfate 9-14
Neutral Oil15-19
Chlorides Calculated as Sodium Chloride (NaCl)20-24
pH30 and 31
Determination of Color32-37
Determination of Active Content by Methylene Blue Titration38-47

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific precaution statement see 36.1. Material safety data sheets are available for reagents and materials. Review them for hazards prior to usage.

32.1 This method covers the measurement of color in alpha olefin sulfonates using the platinum-cobalt scale and the Klett-Summerson colorimeter.

32.2 The instrument is calibrated each day with dilutions of Platinum-Cobalt Color Standard (No. 500 APHA). The Pt-Co value for the sample is determined from the calibration curve for the Klett instrument.

alpha olefin sulfonates; chemical analysis; Acidity, alkalinity, pH--detergent materials; Active ingredients (in detergents); Alpha olefin sulfonates; Anionic matter content; Chemical analysis--cleaning (detergent) materials/applications; Chloride analysis--cleaning agents/detergents; Detergent materials/systems--synthetic; Moisture analysis--detergent materials; Neutral oil content; Sodium chloride content; Sodium sulfate content; Sulfonated and sulfated oils
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