Your shopping cart is empty!
ASTM International, 11/01/2019
Publisher: ASTM
File Format: PDF
$31.00$62.00
Published:01/11/2019
Pages:8
File Size:1 file , 170 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
1.1 This test method2 covers the determination of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL) in purified terephthalic acid (PTA) by capillary electrophoresis (CE) with reverse voltage mode and UV detection. It is applicable for 4-CBA from 3 to 400 mg/kg and for p-TOL from 8 to 400 mg/kg, respectively.
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.
Standard Test Method for Minimum Film Formation Temperature (MFFT) of Emulsion Vehicles
$26.00 $52.00
Standard Specification for Zinc-Coated (Galvanized) Steel Welded Wire Reinforcement, Plain and Deformed, for Concrete
Standard Test Method for Viscosity of Paints and Related Materials by ISO Flow Cups
$30.00 $60.00
Standard Practice for Microscopical Examination of Pigment Dispersion in Plastic Compounds (Withdrawn 2001)
$25.00 $50.00