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DETERMINATION OF NICKEL, ZINC AND COBALT IN ADVANCED MATERIALS BASED ON NixCo3–xO4 AND ZnxCo3–xO4 BY INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY (ICP-MS) AND X-RAY FLUORESCENCE

A. A. Krotova, K. Ya. Prikhodko, S. A. Vladimirova, D. G. Filatova
2018 Industrial laboratory Diagnostics of materials  

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Ïðåäëîaeåí ïîäõîä ê àíàëèçó íîâûõ ñåíñîðíûõ ìàòåðèàëîâ íà îñíîâå îêñèäà êîáàëüòà, ìîäèôèöèðîâàííûõ îêñèäàìè öèíêà èëè íèêåëÿ, ñ ïðèìåíåíèåì ìåòîäîâ ðåíòãåíîôëóîðåñöåíòíîãî àíàëèçà (ÐÔÀ) è ìàññ-ñïåêòðîìåòðèè ñ èíäóêòèâíî-ñâÿçàííîé ïëàçìîé (ÈÑÏ-ÌÑ). Ïîêàçàíî, ÷òî îïðåäåëåíèå Ni, Zn è Co â íîâûõ ìàòåðèàëàõ íà îñíîâå îêñèäà êîáàëüòà âîçìîaeíî ìåòîäîì ÈÑÏ-ÌÑ â ðàñòâîðàõ ñî ñòàíäàðòíûì îòêëîíåíèåì 0,06, 0,06 è 0,05 ñîîòâåòñòâåííî. Ðåçóëüòàòû îïðåäåëåíèÿ ýëåìåíòîâ ìåòîäîì ÈÑÏ-ÌÑ â ðàñòâîðàõ
more » ... û äëÿ àòòåñòàöèè ðåçóëüòàòîâ, ïîëó÷åííûõ ìåòîäîì ÐÔÀ áåç ïðîáîïîäãîòîâêè. Óñòàíîâëåíî, ÷òî ìåòîä ÐÔÀ ïîçâîëÿåò ïðàâèëüíî àíàëèçèðîâàòü îáðàçöû ñîñòàâà Ni x Co 3-x O 4-ä áåç ðàçëîaeåíèÿ. Ðåçóëüòàòû îïðåäåëåíèÿ ñîãëàñóþòñÿ ñ òåîðåòè÷åñêè ðàññ÷èòàííûìè êîëè÷åñòâàìè ïðè àíàëèçå îáðàçöîâ, ïîëó÷åííûõ êàê èç íèòðàòîâ, òàê è èç îêñàëàòîâ íèêåëÿ è êîáàëüòà. Äëÿ àíàëèçà îáðàçöîâ ñîñòàâà Zn x Co 3-x O 4 ìåòîäîì ÐÔÀ íåîáõîäèìî ïðèìåíÿòü ãðàäóèðîâêó íà îñíîâå ðåçóëüòàòîâ îïðåäåëåíèÿ, ïîëó÷åííûõ ìåòîäîì ÈÑÏ-ÌÑ. Ïîêàçàíî, ÷òî äîëÿ öèíêà â îáðàçöàõ âûøå òåîðåòè÷åñêîé íà 10 -30 %, ÷òî ñâÿçàíî ñ íåïîëíûì îñàaeäåíèåì êîáàëüòà èç ðàñòâîðà â óñëîâèÿõ ñèíòåçà. Êëþ÷åâûå ñëîâà: íîâûå ñåíñîðíûå ìàòåðèàëû; ìàññ-ñïåêòðîìåòðèÿ ñ èíäóêòèâíîñâÿçàííîé ïëàçìîé; ðåíòãåíîôëóîðåñöåíòíûé àíàëèç; öèíê; êîáàëüò; íèêåëü.
doi:10.26896/1028-6861-2018-84-1-i-10-13 fatcat:5oqp2qthz5bdvj4viywjql6lz4
Citation

A. A. Krotova, K. Ya. Prikhodko, S. A. Vladimirova, D. G. Filatova. "DETERMINATION OF NICKEL, ZINC AND COBALT IN ADVANCED MATERIALS BASED ON NixCo3–xO4 AND ZnxCo3–xO4 BY INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY (ICP-MS) AND X-RAY FLUORESCENCE." Industrial laboratory Diagnostics of materials 84.1 (2018) 10-13