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ISO 1897-6:1977 PDF
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Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use — Methods of test — Part 6: Test for absence of hydrogen sulphide (Cresylic acid and xylenols only)
simple test which cannot be used to obtain quantitative results. The principle of the method is based on formation of a brown colour on lead acetate paper due to reaction with any hydrogen sulphide present in a test portion. ISO 1897/6 replaces ISO Recommendation R 1908-1971.
| Edition | 1977 |
|---|---|
| Standard Part No | 6 |
| Published Date | 1977 |
| Published By | International Standardization Organisation |
| Page Count | 2 |
