ASTM D820-93(2023)

Podrobné informace

Označení: ASTM D820-93(2023)

Datum vydání: 01.07.2023

Stran: 10

Země: Americká technická norma

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Anotace

These test methods detail the standard procedures for the chemical analysis of soaps containing synthetic detergents. The analytical procedures include the determination of the following chemical properties and substances: moisture and other matter volatile at a specified temperature; free alkali or free acid; anhydrous, salt-free soda soap; alcohol-soluble matter; matter insoluble in water; total alkalinity of matter insoluble in alcohol (alkaline salts); sodium silicate; phosphates; phosphates by colorimetric method using molybdenum blue); unsaponified and unsaponifiable matter; free fatty matter; chlorides in alcohol-soluble matter; rosin by McNicoll method; synthetic detergent by difference; and neutral inorganic salts.


Keywords:
ICS Number Code 71.100.40 (Surface active agents)