Astm D 3673 – 89 (Reapproved 2003) pdf free download

Standard Test Methods for
Chemical Analysis of Alpha Olefin Sulfonates1

This standard is issued under the fixed designation D 3673; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. 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 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
precautions, statements see 36.1. Material safety data sheets are
available for reagents and materials. Review them for hazards
prior to usage.

2. Referenced Documents

2.1 ASTM Standards:
D 1172 Test Method for pH of Aqueous Solutions of Soaps
and Detergents2
D 1193 Specification for Reagent Water3
D 1209 Test Method for Color of Clear Liquids (PlatinumCobalt Scale)4
D 3049 Test Method for Synthetic Anionic Ingredient by
Cationic Titration2

3. Purity of Reagents

3.1 Reagent-grade chemicals shall be used in all tests.
Unless otherwise indicated, it is intended that all reagents shall
conform to the specifications of the Committee on Analytical.