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本文提出用5-Br-PADAP做显色剂,氟化铵做掩蔽剂,用二阶导数分光光度法同时测定原油及渣油中微量镍和钒的新方法。本法选择性好,灵敏、准确,符合测定要求。
In this paper, a new method for simultaneous determination of trace nickel and vanadium in crude oil and residual oil by 5-Br-PADAP as reagent and ammonium fluoride as masking agent by second derivative spectrophotometry was proposed. This method is selective, sensitive, accurate, in line with the determination requirements.