Abstract
Potentialities of the method of inductively coupled plasma-atomic emission spectrometry (ICP- AES) in determination of the low content (0.001 – 0.01%) of aluminum in steels are studied. Analytical lines of aluminum and optimum operating parameters of Al determination are specified along with the choice of the sample preparation procedure. A technique for determination of the mass fraction of aluminum in the standard samples of carbon and low alloyed steels is developed. Indicators of the accuracy of the obtained results match the requirements specified for the accuracy of Al determination in the products of ferrous metallurgy.
Highlights
Èññëåäîâàíû âîçìîæíîñòè ìåòîäà àòîìíî-ýìèññèîííîé ñïåêòðîìåòðèè ñ èíäóêòèâíî-ñâÿçàííîé ïëàçìîé (ÀÝÑ-ÈÑÏ) äëÿ îïðåäåëåíèÿ íèçêèõ ñîäåðæàíèé (0,001 – 0,01) % àëþìèíèÿ â ñòàëÿõ
Indicators of the accuracy of the obtained results match the requirements specified for the accuracy of Al determination in the products of ferrous metallurgy
Íàèáîëåå ïåðñïåêòèâíûì è óíèâåðñàëüíûì èíñòðóìåíòàëüíûì ìåòîäîì, ïîçâîëÿþùèì ñ âûñîêîé ïðîèçâîäèòåëüíîñòüþ êîíòðîëèðîâàòü ñîäåðæàíèå àëþìèíèÿ â ñòàëè, ÿâëÿåòñÿ àòîìíîýìèññèîííàÿ ñïåêòðîìåòðèÿ ñ èíäóêòèâíî-ñâÿçàííîé ïëàçìîé (ÀÝÑ-ÈÑÏ)
Summary
ÎÏÐÅÄÅËÅÍÈÅ ÀËÞÌÈÍÈß Â ÑÒÀËÈ ÌÅÒÎÄÎÌ ÀÒÎÌÍÎ-ÝÌÈÑÑÈÎÍÍÎÉ ÑÏÅÊÒÐÎÌÅÒÐÈÈ Ñ ÈÍÄÓÊÒÈÂÍÎ-ÑÂßÇÀÍÍÎÉ ÏËÀÇÌÎÉ Èññëåäîâàíû âîçìîæíîñòè ìåòîäà àòîìíî-ýìèññèîííîé ñïåêòðîìåòðèè ñ èíäóêòèâíî-ñâÿçàííîé ïëàçìîé (ÀÝÑ-ÈÑÏ) äëÿ îïðåäåëåíèÿ íèçêèõ ñîäåðæàíèé (0,001 – 0,01) % àëþìèíèÿ â ñòàëÿõ. Ðàçðàáîòàíà ìåòîäèêà îïðåäåëåíèÿ àëþìèíèÿ â ñòàíäàðòíûõ îáðàçöàõ óãëåðîäèñòûõ è íèçêîëåãèðîâàííûõ ñòàëåé. Ïîêàçàòåëè òî÷íîñòè ïîëó÷åííûõ ðåçóëüòàòîâ ñîîòâåòñòâóþò íîðìàòèâíûì òðåáîâàíèÿì, ïðåäúÿâëÿåìûì ê òî÷íîñòè îïðåäåëåíèÿ àëþìèíèÿ â ïðîäóêöèè ÷åðíîé ìåòàëëóðãèè.
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