Cookies
We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
ASTM D4471-00
Standard Test Method for Pyridine Bases in Cresylic Acid by Direct Titration
STANDARD published on 10.1.2000
The information about the standard:
Designation standards: ASTM D4471-00
Note: WITHDRAWN
Publication date standards: 10.1.2000
SKU: NS-27361
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D4471-00 :
Keywords:
cresols, cresylic acids, nitrogen bases, phenol, pyridine bases,tar acids, ICS Number Code 71.080.30 (Organic nitrogen compounds)
Additional information
| 1. Scope | ||||||||||
|
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. |
||||||||||
| 2. Referenced Documents | ||||||||||
|
We recommend:
Technical standards updating
Do you want to make sure you use only the valid technical standards?
We can offer you a solution which will provide you a monthly overview concerning the updating of standards which you use.
Would you like to know more? Look at this page.
