Significance and Use
33.1 This method is suitable as a quality control test for the measurement of color in alpha olefin sulfonates.
Scope
1.1 These test methods cover the chemical analysis of alpha olefin sulfonates. The analytical procedures appear in the following order:
|
| Sections |
|  Moisture by the Distillation Method | 4 – 8 |
|  Sodium Sulfate |  9 – 14 |
|  Neutral Oil | 15 – 19 |
|  Chlorides Calculated as Sodium Chloride (NaCl) | 20 – 24 |
|  Alkalinity | 25 – 29 |
|  pH | 30 and 31 |
|  Determination of Color | 32 – 37 |
|  Determination of Active Content by Methylene Blue Titration | 38 – 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, health, and environmental 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.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
