ASTM D6173 Standard Test Method for Determination of Various Anionic Surfactant Actives by Potentiometric Titration
ASTM D6173 method provided a precise method for determining anionic surfactant concentrations using potentiometric titration. Widely used in detergent, cosmetic, and industrial applications, this standard ensured product quality and compliance with regulatory and environmental standards. ASTM D6173 is a foundational reference for surfactant analysis in various industries.
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Introduction to ASTM D6173
This is a test procedure for determining the concentration of anionic surfactant actives in aqueous solutions through potentiometric titration. These compounds, widely used in detergents, personal care products, and industrial cleaning agents, play a significant role in surface activity and cleaning efficiency. The standard provided a robust method for analyzing surfactants to ensure product quality, regulatory compliance, and environmental safety. Although withdrawn in 2023, its principles remain relevant for similar tests used in industrial and research applications.
ASTM D6173 Test Method
Sample Preparation
Aqueous samples containing surfactants are prepared, ensuring they are free from impurities or interfering substances.
Titration Setup
A potentiometric titration apparatus with a suitable electrode is set up for detecting equivalence points.
Titration Process
A titrant solution, typically cationic, is added incrementally while monitoring the potential change. The equivalence point determines the surfactant concentration.
ASTM D6173 Equipment and Sample Preparation
Specimen Details
Test specimens include solutions containing anionic surfactants, with consistent concentration levels for accuracy.
Specimen Dimensions
The volume of each sample must align with the sensitivity range of the titration apparatus.
Specimen Preparation
Samples are filtered or treated to remove particulates and other interfering substances before titration.
Results and Interpretation of Results of ASTM D6173
This method identifies the concentration of active anionic surfactants, a crucial parameter for assessing product efficacy and environmental impact. By quantifying these surfactants, manufacturers can ensure consistency, regulatory compliance, and environmental safety. The results guide product formulation and quality assurance, ensuring optimal performance in intended applications.
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Tests Related to ASTM D6173
Other related tests include ASTM D1681, which evaluates anionic surfactants in industrial and municipal water, and ASTM D3049, designed for the analysis of surface-active agents in various matrices.
Use of ASTM D6173 Testing in Various Industries
ASTM D6173 testing was pivotal in industries such as detergents, cosmetics, and industrial cleaning, where controlling surfactant concentrations is essential for quality, safety, and performance. The results supported compliance with environmental standards and helped refine formulations.
Materials Commonly Tested with ASTM D6173
Materials commonly tested using ASTM D6173 include a wide range of products and solutions that rely on anionic surfactants for their functionality. Household detergents, such as liquid and powdered laundry soaps and dishwashing liquids, are among the most commonly analyzed materials. Personal care products, including shampoos, body washes, and facial cleansers, also undergo testing to ensure they meet quality and performance standards. In industrial settings, heavy-duty cleaners, degreasers, and equipment-washing solutions are evaluated to optimize their effectiveness and adherence to environmental regulations.
Common Challenges and Troubleshooting in ASTM D6173 Testing
Challenges include interference from other ionic substances and difficulties in detecting clear equivalence points during titration. Proper sample preparation and calibration of the potentiometric apparatus are critical for overcoming these issues.
Safety and Best Practices in ASTM D6173 Testing
Handling titrant solutions and surfactant samples requires adherence to safety protocols, including the use of gloves, goggles, and fume hoods. Ensuring the calibration of equipment and maintaining a contamination-free environment is essential for reliable results.
Significance to Industry
Although this method has been withdrawn, its methodologies continue to influence current practices for analyzing anionic surfactants. The standard provided a reliable framework for ensuring product quality, enhancing performance, and meeting environmental regulations. In the household and personal care sectors, this test guarantees that detergents, shampoos, and cleansers meet consumer expectations for cleaning efficiency and safety. In industrial applications, such as heavy-duty cleaners and oilfield chemicals, it helps optimize formulations for performance and environmental impact. Agricultural products, like pesticide formulations, benefit from surfactant analysis to improve effectiveness and adherence to safety protocols.
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The turnaround time for astm d6173 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm d6173 tested?
You can share your astm d6173 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d6173 test to various testing techniques.
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