ASTM D4471-00(2004) Digital PDF

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Standard Test Method for Pyridine Bases in Cresylic Acid by Direct Titration
standard by ASTM International, 06/01/2004

Document Format: PDF

Description

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.

Product Details

Published:
06/01/2004
Number of Pages:
3
File Size:
1 file , 26 KB
Note:
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