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52 362 (0,126s)

Result

Stibine and bismuthine trapping in quartz tube atomizers for atomic absorption spectrometry - Method optimization and analytical applications

The compact quartz trap-and-atomizer device was employed to find optimum trapping and volatilization conditions for Sb and Bi hydrides. The trap-and-atomizer device can be replaced by con...

CB - Analytická chemie, separace

  • 2008
  • Jx
Result

Hydride generation ? in-atomizer collection of Pb in a quartz trap-and-atomizer device for atomic absorption spectrometry ? an interference study

Interference study on Pb determination by in-atomizer trapping was performed, Bi was found as a severe interferent in the preconcentration mode. No interference was found in the on-line atomization (no preconcentration)....

CB - Analytická chemie, separace

  • 2013
  • Jx
  • Link
Result

Ultratrace determination of lead by hydride generation in-atomizer trapping atomic absorption spectrometry: Optimization of plumbane generation and analyte preconcentration in a quartz trap

In-atomizer trapping HG-AAS was optimized for Pb; generation, preconcentration and atomization steps were investigated in detail. 100% preconcentration efficiency was reached (LOD 0.2 ng/ml Pb, 30 s preconcentration period)...

CB - Analytická chemie, separace

  • 2012
  • Jx
  • Link
Result

Evaluation of antimony migration from pewter cups using a trap-and-atomizer device for HG-AAS

. Sb was determined by hydride generation - atomic absorption spectrometry using in-atomizer preconcentration. A trap-and-atomizer device was employed. This device is the (multiatomizer with the i...

CB - Analytická chemie, separace

  • 2010
  • O
Result

Modular design of the trap-and-atomizer device with gold absorber for selenium collection after hydride generation

A modular trap-and-atomizer device with a gold absorber was employed for selenium preconcentration. 75Se radiotracer experiments proved that selenium hydride is trapped quantitatively. A limit of detection of 7 pg/...

Analytical chemistry

  • 2020
  • Jimp
  • Link
Result

Ultratrace determination of tin by hydride generation in-atomizer trapping atomic absorption spectrometry

A quartz multiatomizer with its inlet arm modified to serve as a trap (trap-and-atomizer device) was employed to trap tin hydride and subsequently to volatilize collected analyte species with atomic

CB - Analytická chemie, separace

  • 2013
  • Jx
  • Link
Result

In situ trapping of hydride forming elements within miniature atomizers New observations.

New miniature atomization/collection devices were designed for in situ trapping of hydride forming elements. The performance of those based on graphite, bare to the efficiency of trapping procedure, influence of ex...

CB - Analytická chemie, separace

  • 2003
  • D
Result

Hydride generation - in-atomizer collection of Pb in quartz tube atomizers for atomic absorption spectrometry ? a 212Pb radiotracer study

Trapping capacity, preconcentration efficiency as well as Bi interference on Pb preconcentration were characterized by means of radiometry and autoradiography. Bi interference in the preconcentration mode was investigated and its mechanism w...

CB - Analytická chemie, separace

  • 2013
  • Jx
  • Link
Result

Arsine and selenium hydride trapping in a novel quartz device for atomic-absorption spectrometry

An optimization study of arsine and selenum hydride preconcentration at the quartz surface is presented. A novel apparatus design consisting of a quartz trap integrated with a quartz multiatomizer is described....

CB - Analytická chemie, separace

  • 2007
  • Jx
Result

In situ trapping of hydride forming elements on molybdenum foil strip.

A prototype of a miniature device based on molybdenum strip for in situ collection was designed and performance of this device was studied. Optimization of trapping efficiency of analytes (As, Se) with respect to surface mo...

CB - Analytická chemie, separace

  • 2003
  • D
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