ASTM D7976-14
Standard Specification for Purified Terephthalic Acid (PTA)
- Standard No.
- ASTM D7976-14
- Release Date
- 2014
- Published By
- American Society for Testing and Materials (ASTM)
- Status
- Replace By
- ASTM D7976-14(2020)
- Latest
- ASTM D7976-14(2020)
- Scope
1.1 This specification covers purified terephthalic acid (PTA) for use in the manufacturing of polymers. Some examples include the production of polyesters for fiber, filament, yarn, film, coating, bottle and resin applications.
1.2 The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit, 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 Consult current OSHA regulations, supplier’s Safety Data Sheets, and local regulations for all materials used in this specification.
1.5 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.
ASTM D7976-14 Referenced Document
- ASTM D7881 Standard Test Method for Determination of 4-Carboxybenzaldehyde and
p -Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Reverse Voltage Mode - ASTM D7882 Standard Test Method for Determination of 4-Carboxybenzaldehyde and
p -Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Normal Voltage Mode - ASTM D7883 Standard Test Method for Determination of 4-Carboxybenzaldehyde and
p -Toluic Acid in Purified Terephthalic Acid by Weak Anion Exchange High Performance Liquid Chromatography - ASTM D7884 Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography
- ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
- ASTM E300 Standard Practice for Sampling Industrial Chemicals
ASTM D7976-14 history
- 2020 ASTM D7976-14(2020) Standard Specification for Purified Terephthalic Acid (PTA)
- 2014 ASTM D7976-14 Standard Specification for Purified Terephthalic Acid (PTA)
