ASTM D820 : 93(2009)

Standard Test Methods for Chemical Analysis of Soaps Containing Synthetic Detergents

Standard Details

1.1 These test methods cover procedures for the chemical analysis of soaps containing synthetic detergents.

1.2 The analytical procedures appear in the following order:

	Sections

Moisture and Other Matter Volatile at 105°C (Oven Method)	5 and 6
Free Alkali or Free Acid	7 and 8
Anhydrous, Salt-Free, Soda Soap	9-12
Alcohol-Soluble Matter	13 and 14
Matter Insoluble in Water	15
Total Alkalinity of Matter Insoluble in Alcohol (Alkaline Salts)	16 and 17
Sodium Silicate	18-20
Phosphates	21-28
Phosphate (Colorimetric Method Using Molybdenum Blue)	29-34
Unsaponified and Unsaponifiable Matter	35-39
Free Fatty Matter	40
Chlorides in Alcohol-Soluble Matter	41-43
Rosin (McNicoll Method)	44-47
Synthetic Detergent (by Difference)	48
Neutral, Inorganic Salts	49

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety problems, 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.