نتایج جستجو برای: dimethylglyoxime
تعداد نتایج: 122 فیلتر نتایج به سال:
In this contribution, the amounts of Ni (nickel) and Al (aluminum) in tilapias (Oreochromis niloticus) were determined using square wave voltammetry (SWV) with glassy carbon working microelectrode with a mercury thin film, platinum counter electrode, and Ag/AgCl reference electrode. Ni was studied through the formation of the dimethylglyoxime-Ni (Ni-DMG) complex, while Al was studied through th...
BACKGROUND The former 'EU Nickel Directive' and, since 2009, the REACH Regulation (item 27 of Annex XVII) do not include all metallic objects. The nickel content of tools is not regulated by the REACH Regulation, even if they may come into in prolonged contact with the skin. Tools might be possible sources of nickel and cobalt sensitization, and may contribute to elicitation and maintenance of ...
A spectrophotometric flow-based method for the determination of nickel in recreational waters is proposed. In this scenario, strategy was to devise a miniaturized and automatic system based on sequential injection analysis, aiming an expeditious, real-time low-cost determination. For determination, dimethylglyoxime used as color reagent due its selectivity nickel. Considering expected low conce...
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