“…Rawat et al (18) examined the ion-exchange capabilities of Amberlite IR-400 using several eluting agents to improve the determination of several elements. Flow injection into the flame was used by Oguma et al (19) to determine Mg in silicate materials.…”
“…Concentrations were determined from sensitivity factors, relative to a major element, obtained from a standard. The detection limit for all REE were <1 /xg/g and the analyzed areas were [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] /xm in diameter. MacRae and Metson (359) used the SIMS technique to determine the REE.…”
“…Rawat et al (18) examined the ion-exchange capabilities of Amberlite IR-400 using several eluting agents to improve the determination of several elements. Flow injection into the flame was used by Oguma et al (19) to determine Mg in silicate materials.…”
“…Concentrations were determined from sensitivity factors, relative to a major element, obtained from a standard. The detection limit for all REE were <1 /xg/g and the analyzed areas were [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] /xm in diameter. MacRae and Metson (359) used the SIMS technique to determine the REE.…”
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