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Description of ASTM-D3401 2012ASTM D3401 - 97(2012)Standard Test Methods for Water in Halogenated Organic Solvents and Their AdmixturesActive Standard ASTM D3401 | Developed by Subcommittee: D26.04 Book of Standards Volume: 15.05 ASTM D3401Significance and Use High water concentrations can have a detrimental effect on many uses of halogenated solvents. Water can cause corrosion and spotting when solvents are used for metal cleaning. Water can reduce the shelf life of aerosol formulations. Water can inhibit desired reactions when solvents are used in formulations. 1. Scope 1.1 These test methods describe the use of the Karl Fischer (KF) titration for determination of water in halogenated organic solvents and mixtures thereof. Water concentrations from 2 to 1000 ppm can be determined in these solvents. Two test methods are covered as follows: 1.1.1 Test Method A, Water Determination Using a Coulometric KF Titrator The coulometric test method is known for its high degree of sensitivity (typically < 10 ? g H 2 O) and should be the test method of choice if water concentrations are typically below 50 ppm or if only small amounts of sample are available for water determinations. This test method requires the use of equipment specifically designed for coulometric titrations. 1.1.2 Test Method B, Water Determination Using a Volumetric KF Titrator The volumetric test method is a more traditional approach to KF water determinations. Although titrators are specifically designed for KF volumetric determinations, many automatic titrators on the market can be adapted to perform KF titrations. 1.2 Either of these test methods can be used to determine typical water concentrations (15 to 500 ppm) found in halogenated solvents. 1.3 These test methods recommend the use of commercially available Karl Fischer titrators and reagents. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Sections 11 and 15.
ASTM Standards E203 Test Method for Water Using Volumetric Karl Fischer Titration Keywords coulometric Karl Fischer titration; halogenated organic solvents; Karl Fischer test methodwater content; moisture content; solvents; volumetric Karl Fischer titration; water content; ICS Code ICS Number Code 71.080.20 (Halogenated hydrocarbons) DOI: 10.1520/D3401-97R12 ASTM International is a member of CrossRef. ASTM D3401This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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