KANICKÝ, Viktor a Jean - Michel MERMET. Selection of internal standards for the determination of major and minor elements in silicate rocks and limestones by laser ablation inductively coupled plasma atomic emission spectrometry. Applied Spectroscopy, USA: Society Appl. Spectroscopy, 1997, roč. 51, č. 3, s. 332-336. ISSN 0003-7028.
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Základní údaje
Originální název Selection of internal standards for the determination of major and minor elements in silicate rocks and limestones by laser ablation inductively coupled plasma atomic emission spectrometry
Autoři KANICKÝ, Viktor (203 Česká republika, garant) a Jean - Michel MERMET (250 Francie).
Vydání Applied Spectroscopy, USA, Society Appl. Spectroscopy, 1997, 0003-7028.
Další údaje
Originální jazyk angličtina
Typ výsledku Článek v odborném periodiku
Obor 10406 Analytical chemistry
Stát vydavatele Spojené státy americké
Utajení není předmětem státního či obchodního tajemství
Impakt faktor Impact factor: 1.848
Organizační jednotka Přírodovědecká fakulta
UT WoS A1997WT58600007
Klíčová slova anglicky Inductively coupled plasma; Atomic emission spectrometry; Laser ablation; Geological samples; Internal standardization
Štítky atomic emission spectrometry, geological samples, inductively coupled plasma, Internal standardization, laser ablation
Příznaky Recenzováno
Změnil Změnil: prof. RNDr. Viktor Kanický, DrSc., učo 408. Změněno: 29. 6. 2007 09:46.
Anotace
Use of contained and added internal standards has been compared in laser ablation ICP-AES of silicate rocks and limestones to improv e both precision and accuracy. Glass disks obtained by fusion of rocks with lithium tetraborate were sampled by means of a Q-switched Nd:YAG laser (355 nm, 10 Hz, 10 mJ per shot) and analyzed with an ICP emission spectrometer equipped with a segmented charge-coupled device detector. The Si and Ca major elements of the silicate and limestone samples, respectively, were compared with the Li and B Bus elements for internal standardization. A 2- to 5-times improvement in the percent relative standard deviation (%RSD) of the repeatability was found, irrespective of the internal standard, leading to a repeatability in the 1-2% RSD range. On the basis of the use of Li and B as internal standards, linear calibration graphs were obtained for Si, Al, Ca, Mg, Fe, Ti, Na, and K by using reference geological materials. The possibility of using Bus elements overcomes the need to have prior knowledge of the concentration when a contained element is being used as an internal standard.
Anotace česky
Use of contained and added internal standards has been compared in laser ablation ICP-AES of silicate rocks and limestones to improv e both precision and accuracy. Glass disks obtained by fusion of rocks with lithium tetraborate were sampled by means of a Q-switched Nd:YAG laser (355 nm, 10 Hz, 10 mJ per shot) and analyzed with an ICP emission spectrometer equipped with a segmented charge-coupled device detector. The Si and Ca major elements of the silicate and limestone samples, respectively, were compared with the Li and B Bus elements for internal standardization. A 2- to 5-times improvement in the percent relative standard deviation (%RSD) of the repeatability was found, irrespective of the internal standard, leading to a repeatability in the 1-2% RSD range. On the basis of the use of Li and B as internal standards, linear calibration graphs were obtained for Si, Al, Ca, Mg, Fe, Ti, Na, and K by using reference geological materials. The possibility of using Bus elements overcomes the need to have prior knowledge of the concentration when a contained element is being used as an internal standard.
VytisknoutZobrazeno: 18. 1. 2020 12:39