ASTM International - ASTM D8063-18

Standard Test Method for Water in Purified Terephthalic Acid (PTA) by Volumetric Karl Fischer Titration

active
Buy Now
Organization: ASTM International
Publication Date: 1 January 2018
Status: active
Page Count: 4
ICS Code (Examination of water for chemical substances): 13.060.50
ICS Code (Chemical analysis): 71.040.40
significance And Use:

4.1 The presence of water in PTA used for the production of polyester is undesirable because it reduces the purity of the PTA.

4.2 Determining the amount of water content remaining from the... View More

scope:

1.1 This test method covers the determination of water in purified terephthalic acid (PTA) between 0.01 and 1.00 % (w/w) by Volumetric Karl Fischer Titration.

1.2 In determining the conformance of the test results using this method to applicable specification, results shall be rounded off in accordance with the rounding-off method of Practice E29.

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 concerns, 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.

Document History

ASTM D8063-18
January 1, 2018
Standard Test Method for Water in Purified Terephthalic Acid (PTA) by Volumetric Karl Fischer Titration
1.1 This test method covers the determination of water in purified terephthalic acid (PTA) between 0.01 and 1.00 % (w/w) by Volumetric Karl Fischer Titration. 1.2 In determining the conformance of...
Advertisement