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UOP 144 PDF
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Copper in Gasoline and Naphtha
| Published by | Publication Date | Number of Pages |
| UOP | 01/01/1988 | 6 |
UOP 144 – Copper in Gasoline and Naphtha
This method is for determining low concentrations of copper present as a hydrocarbon-soluble form in gasoline, kerosine and similar distillates. It is particularly useful on products that have been copper sweetened. The lower limit of detection is 5 µg of copper per liter of sample (approximately 6 parts per billion). Silver and bismuth may interfere. However, the presence of these metals in a sample of hydrocarbon is unlikely. The complexation with ethylene-diaminetetraacetate (EDTA) and citrate prevents interference from all other metals.
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