ASTM D820-93(2023)

Standard Test Methods for Chemical Analysis of Soaps Containing Synthetic Detergents

ASTM International, 07/01/2023

Publisher: ASTM

File Format: PDF

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Published:01/07/2023

Pages:10

File Size:1 file , 350 KB

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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.

ASTM D820-93(2023)

Standard Test Methods for Chemical Analysis of Soaps Containing Synthetic Detergents

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