a| Howest

a| dut h| eng

a| ASTM designation D6173-97 : b| Standard test method for determination of various anionic surfactant actives by potentiometric titration.

a| West Conshohocken (Pa.) : b| ASTM International, c| n.d.

a| 1.1 This test method is based on a potentiometric titration of common anionic surfactants and blends of anionic surfactant with a hydrotrope. This test method solely is intended for the analysis of active matter in the following surfactants: alcohol ether sulfate, alpha olefin sulfonate, alkylbenzene sulfonate/sodium xylene sulfonate blend (5:1), sodium alkylbenzene sulfonate/sodium xylene sulfonate blend (16:1), and sodium alkylbenzene sulfonate/sodium xylene sulfonate blend (22:1). It has not been tested for surfactant formulations.

a| Normen.

b| HWPNT c| PENTA j| PENTA.BALIE.ASTM1 - IBLDOC230 p| VBS2/51901

a| book