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1.1 This test method covers the determination of pyridine and other basic nitrogen impurities in crude and refined cresylic acids streams, including mixtures.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 71.080.30 : Organic nitrogen compounds |
| Number of pages | 3 |
| Replace | ASTM D4471-10 + Redline |
| Set | ASTMVOL0604 |
| Year | 2018 |
| Document history | ASTM D4471-10 + Redline |
| Country | USA |
| Keyword | ASTM 4471;ASTM D4471;ASTM D4471;10.1520/D4471-18 |