The copper ion content is determined with direct spectrophotometry after the engine oil was incinerated,dissolved with acid and developed with Neocuproin-Hydroch lorid Monohydrat.
将机油灰化、酸溶解后,新亚铜灵显色、直接光度法测定铜离子含
,
回收率在92。
The copper ion content is determined with direct spectrophotometry after the engine oil was incinerated,dissolved with acid and developed with Neocuproin-Hydroch lorid Monohydrat.
将机油灰化、酸溶解后,新亚铜灵显色、直接光度法测定铜离子含,回收率在92。
明：以上例
、词
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