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Determination of metal impurities in ultrapure CaCl2 and MgCl2 by ICP OES
Authors: Krejčová Anna | Černohorský Tomáš | Pouzar Miloslav
Year: 2006
Type of publication: článek v odborném periodiku
Name of source: Microchimica Acta
Publisher name: Springer
Page from-to: 271-275
Titles:
Language Name Abstract Keywords
cze Stanovení kovových nečistot v ultračistých CaCl2 a MgCl2 pomocí ICP OES Byla vyvinuta efektivní, rychlá a jednoduchá analytická metoda pro stanovení Na, K, Ca, Mg, Cd, Pb, Ba, Fe, Mn, Sr, Zr, Cu, Zn a Al na koncentračních úrovních mg.kg-1 v ultračistých solích MgCl2 CaCl2 pomocí optické emisní spektrometrie. Metoda má následující detekční limity: Na 1.01, K 3.12, Ca 0.263, Mg 0.275, Cd 0.0832, Pb 0.482, Ba 0.0153, Fe 0.0528, Mn 0.0473, Sr 0.0203, Zr 0.638, Cu 0.0732, Zn 0.0686 a Al 0.459 (vše v mg kg-1). ICP OES, ultračisté chemikálie, MgCl2, CaCl2, interference matrice
eng Determination of metal impurities in ultrapure CaCl2 and MgCl2 by ICP OES An effective, rapid and simple analytical method for the determination of Na, K, Ca, Mg, Cd, Pb, Ba, Fe, Mn, Sr, Zr, Cu, Zn and Al at mg.kg-1 levels in ultra-pure salts MgCl2 and CaCl2 using the optical emission spectrometry was developed. The method was shown to be very sensitive with limits of detection: Na 1.01, K 3.12, Ca 0.263, Mg 0.275, Cd 0.0832, Pb 0.482, Ba 0.0153, Fe 0.0528, Mn 0.0473, Sr 0.0203, Zr 0.638, Cu 0.0732, Zn 0.0686 and Al 0.459 (all in mg kg-1). ICP OES, Ultrapure, MgCl2, CaCl2, Matrix interference