GSO ASTM D820:2024

ASTM D820:93(2023)

Gulf Standard Current Edition · Approved on 14 October 2024

Standard Test Methods for Chemical Analysis of Soaps Containing Synthetic Detergents

GSO ASTM D820:2024 Files

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GSO ASTM D820:2024 Scope

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 and 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.