Draves wetting test method
WebMar 22, 2000 · ISO 2456:1986. Surface active agents — Water used as a solvent for tests — Specification and test methods. ISO 3819:2015. Laboratory glassware Beakers. ISO 607:1980. Surface active agents and detergents Methods of sample division. ISO 3801:1977. Textiles — Woven fabrics — Determination of mass per unit length and mass … WebDec 9, 2010 · The Draves Wetting test (Draves and Clarkson 1931) is a widely regarded laboratory procedure for ranking the relative wetting efficiencies of surfactants. This test is a timed determination for the wetting of a cotton skein by dilute surfactant solutions, where short wetting times are indicative of excellent wetting efficiencies.
Draves wetting test method
Did you know?
WebFeb 16, 2011 · The Draves Wetting Test (AATCC Standard Test 17) is a widely used laboratory procedure for ranking the relative wetting efficiencies of surfactants. This test is a timed determination of the wetting of a cotton skein by dilute surfactant solutions. Shorter wetting times or lower wetting concentrations are indicative of better wetting ... WebThis International Standard specifies a method for determining the wetting power of a surface active agent in solution by immersion of a disc of raw cotton cloth in the solution.
Webtants. This publication presents the results from wetting effective ness tests with emphasis on the capillary rise test. The test variables investigated included coal particle size, type of surfactant, surfactant concentration, test duration, and mineral con tent of the water. In addition to the rise test, measurements of con WebJul 18, 2012 · These test methods are used to determine the resistance of compacted soil-cement specimens to repeated wetting and drying. These test methods were …
WebWetting was determined using a modified Draves Wetting procedure1 . A weighted cotton skein was dropped into the test solution. The time required for the skein to become … WebThe following chart highlights the top 14 surfactants that exhibit fast wetting and low foaming properties. Typical Applications: Notes: Wetting determined by the Draves …
WebJul 18, 2012 · 1.1 These test methods cover procedures for determining the soil-cement losses, water content changes, and volume changes (swell and shrinkage) produced by repeated wetting and drying of hardened soil-cement specimens.
WebJan 1, 2024 · Purpose and Scope This test method can be used to determine the efficacy of a protective finish that is capable of imparting a low energy surface on all types of fabrics, by evaluating the fabric's resistance to wetting by a selected series of water/alcohol solutions of different surface tensions. Document History AATCC 193 January 1, 2024 how to set standing desk height memoryWebMay 1, 1982 · A direct comparison of the traditional Draves Test for wetting power with the Walker Test shows a high degree of correlation. A study of coal dust wetting by an infusion procedure shows poor correlation with both the Draves and Walker methods. ... Anon. Standard Method D-2281. Am. Soc. Test. Mater. (1980) Philadelphia, PA. 6. V.T. Crowl, … notepad++ remove spaces at end of linesWebAbstract Purified polyglycol ester and ether types of non-ionic surfactants were investigated to determine optimum structures for wetting hydrophobic soils, peat moss, and standard cotton skeins (Draves test). notepad++ replace space with carriage returnWebFeb 5, 2016 · Discover the powerful wetting capabilities of Omnia by watching how it performs in the Draves test. Show more Show more 2 weeks ago notepad++ replace comma with returnWeb5. Test Skein 5.1 Test skeins for running the wetting evaluation can be purchased from an appropriate supplier.5 A Draves 40/2, 5 g cotton skein is used for this testing method. 6. … notepad++ remove line shortcutWebSep 20, 2024 · Draves Test Method Dilute adjuvant solution is made and transferred into a graduated (or other transparent) cylinder. A cotton skein* is then folded twice … notepad++ remove lf but not crlfWebJan 22, 2024 · Astm D 2281 – 68 (Reapproved 1997) Pdf free download. January 22, 2024 by Mike. Standard Test Method for Evaluation of Wetting Agents by the Skein Test1 This standard is issued under the fixed designation…. This content is for ALL ASTM STANDARDS and All in one (ASTM+BSI+AASHTO STANDARDS)Life Time Access … how to set stanley indoor timer