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ASTM International - ASTM E203-16

Standard Test Method for Water Using Volumetric Karl Fischer Titration

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Organization: ASTM International
Publication Date: 1 April 2016
Status: active
Page Count: 9
ICS Code (Chemical analysis): 71.040.40
significance And Use:

4.1 Titration techniques using KF reagent are one of the most widely used for the determination of water.

4.2 Although the volumetric KF titration can determine low levels of water, it is... View More

scope:

1.1 This test method is intended as a general guide for the application of the volumetric Karl Fischer (KF) titration for determining free water and water of hydration in most solid or liquid organic and inorganic compounds. This test method is designed for use with automatic titration systems capable of determining the KF titration end point potentiometrically; however, a manual titration method for determining the end point visually is included as Appendix X1. Samples that are gaseous at room temperature are not covered (see Appendix X4). This test method covers the use of both pyridine and pyridine-free KF reagents for determining water by the volumetric titration. Determination of water using KF coulometric titration is not discussed. By proper choice of the sample size, KF reagent concentration and apparatus, this test method is suitable for measurement of water over a wide concentration range, that is, parts per million to pure water.

1.2 The values stated in SI units are to be regarded as standard.

1.3 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. Specific warnings are given in 3.1 and 7.3.3.

1.4 Review the current Safety Data Sheets (SDS) for detailed information concerning toxicity, first aid procedures, and safety precautions for chemicals used in this test procedure.

Document History

ASTM E203-16
April 1, 2016
Standard Test Method for Water Using Volumetric Karl Fischer Titration
4.1 Titration techniques using KF reagent are one of the most widely used for the determination of water. 4.2 Although the volumetric KF titration can determine low levels of water, it is generally...
October 1, 2008
Standard Test Method for Water Using Volumetric Karl Fischer Titration
Titration techniques using KF reagent are one of the most widely used for the determination of water. Although the volumetric KF titration can determine low levels of water, it is generally accepted...
October 10, 2001
Standard Test Method for Water Using Volumetric Karl Fischer Titration
1.1 This test method is intended as a general guide for the application of the volumetric Karl Fischer (KF) titration for determining free water and water of hydration in most solid or liquid organic...
October 10, 2001
Standard Test Method for Water Using Volumetric Karl Fischer Titration
1.1 This test method is intended as a general guide for the application of the volumetric Karl Fischer (KF) titration for determining free water and water of hydration in most solid or liquid organic...
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