Aktivní norma | Vydána: 01.11.2024

ASTM D1768-89(2024)

Standard Test Method for Sodium Alkylbenzene Sulfonate in Synthetic Detergents by Ultraviolet Absorption

Dostupné jazyky: Anglicky

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Podrobné informace

Označení: ASTM D1768-89(2024)

Datum vydání: 01.11.2024

Stran: 3

Země: Americká technická norma

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Anotace

This test method covers commercial synthetic detergents and built detergent formulations that do not contain organic additives such as amides. This test method involves measurement of the ultraviolet absorbance of the sample at the maximum absorbance point for sodium alkylbenzene sulfonate and at a selected background point in order to determine the amount of active ingredient present. The percentage of alcohol-soluble matter, absorptivity value and percentage of active ingredient shall be calculated in accordance to the specified requirements.

Keywords:
sodium alkylbenzene sulfonate, synthetic detergents, ultraviolet absorption ,, ICS Number Code 71.100.40 (Surface active agents)

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