2022
DOI: 10.26896/1028-6861-2022-88-1-ii-27-33
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A new atomic-emission spectrometer Grand-2000

Abstract: Äëÿ ñíèaeåíèÿ âåðîÿòíîñòè ñïåêòðàëüíûõ íàëîaeåíèé ïðè ïðÿìîì àíàëèçå ïîðîøêîâ ãåî-ëîãè÷åñêèõ ïðîá ìåòîäîì äóãîâîé àòîìíî-ýìèññèîííîé ñïåêòðîìåòðèè ñîçäàí ñïåêòðîìåòð «Ãðàíä-2000» ñ ðàáî÷èì äèàïàçîíîì 190 -780 íì ñ äâóìÿ ïàðàëëåëüíî ðàáîòàþùèìè ïîëèõðîìàòîðàìè íà îñíîâå ñõåìû Ïàøåíà-Ðóíãå è àíàëèçàòîðàìè ÌÀÝÑ. Ïåðâûé ïîëèõðîìàòîð, âûïîëíåííûé íà îñíîâå âîãíóòîé äèôðàêöèîííîé ðåøåòêè 2400 øòð/ìì ñ ðàäèóñîì êðèâèçíû ïîâåðõíîñòè ïîäëîaeêè äâà ìåòðà, ðåãèñòðèðóåò èíòåíñèâíîñòü èçëó÷åíèÿ â îáëàñòè 190 -350 íì ñ ïîâû… Show more

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