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以 (2 +3)甲基异丁基酮 -二甲苯混合溶液为溶剂溶解油样 ,以TritonX -10 0为乳化剂将油溶液乳化成乳浊液 ,取适量样品乳浊液配制成试液 ,以聚异丁烯空白溶液为参比 ,用标准加入法测定。提出了配制空白溶液的原理及方法 ,通过在试液中加入适量聚异丁烯乳浊液 ,找出了与试液粘度相同的聚异丁烯空白溶液。建立了乳浊液进样 -火焰原子吸收光谱法测定渣油中铁、镍的快速FAAS分析方法。本方法的测定结果与灰化法 -火焰原子吸收光谱法一致 ,相对误差小于± 2 8%。方法简便、快速、准确
(2 +3) methyl isobutyl ketone-xylene mixed solution as a solvent to dissolve the oil sample, emulsifying the oil solution into an emulsion with Triton X-10 0 as an emulsifier, and preparing an appropriate amount of sample emulsion to prepare a test solution , To polyisobutylene blank solution as a reference, with standard addition method. The principle and method of preparing blank solution were proposed. By adding appropriate amount of polyisobutylene emulsion to the solution, a blank solution of polyisobutylene with the same viscosity as the solution was found. A rapid FAAS method for the determination of iron and nickel in the residue by emulsion injection-flame atomic absorption spectrometry was established. The determination results of this method are consistent with ashing - flame atomic absorption spectrometry, the relative error is less than ± 2 8%. The method is simple, fast and accurate