Logo

ASTM D4471-00

Historical Revision

Standard Test Method for Pyridine Bases in Cresylic Acid by Direct Titration

$73.00

$73.00

$131.40


Sub Total (1 Item(s))

$ 0.00

Estimated Shipping

$ 0.00

Total (Pre-Tax)

$ 0.00


Document Preview Not Available...

1.1 This test method covers the determination of pyridine and other basic nitrogen impurities in crude and refined cresylic acids streams, including mixtures.

1.2 This test method is applicable for pyridine base levels of 0.001% to 0.5%.

1.3 The following applies to all specified limits in this standard: For purposes of determining conformance with this standard, 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.

1.4 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 hazard statements, see Section 7.


SDO ASTM: ASTM International
Document Number D4471
Publication Date Jan. 10, 2000
Language en - English
Page Count 2
Revision Level 00
Supercedes
Committee D16.02
Publish Date Document Id Type View
May 1, 2022 D4471-22 Revision
June 1, 2018 D4471-18 Revision
Jan. 1, 2010 D4471-10 Revision
Jan. 10, 2000 D4471-00 Revision
June 1, 2004 D4471-00R04 Reaffirmation