OS GSO ASTM D820:2024
ASTM D820:93(2023)
Standard Test Methods for Chemical Analysis of Soaps Containing Synthetic Detergents
OS GSO ASTM D820:2024 Files
OS 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.
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