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Sapphire: a better material for atomization and in situ collection of silver volatile species for atomic absorption spectrometry
Copyright policy )Sapphire: a better material for atomization and in situ collection of silver volatile species for atomic absorption spectrometry
Abstract Sapphire is presented as a high temperature and corrosion resistant material of an optical tube of an atomizer for volatile species of Ag generated by the reaction with NaBH4. The modular atomizer design was employed which allowed to carry out the measurements in two modes: (i) on-line atomization and (ii) in situ collection (directly in the optical tube) by means of excess of O2 over H2 in the carrier gas during the trapping step and vice versa in the volatilization step. In comparison with quartz atomizers, the sapphire tube atomizer provides a significantly increased atomizer lifetime as well as substantially improved repeatability of the Ag in situ collection signals shapes. In situ collection of Ag in the sapphire tube atomizer was highly efficient (> 90%). Limit of detection in the on-line atomization mode and in situ collection mode, respectively, was 1.2 ng ml− 1 and 0.15 ng ml− 1.
- Academy of Sciences Library Czech Republic
- Czech Academy of Sciences Czech Republic
Microsoft Academic Graph classification: In situ Detection limit Volatilisation Chemistry Analytical chemistry Trapping law.invention law Sapphire Tube (fluid conveyance) Atomic absorption spectroscopy Quartz
volatile species generation, Atomic and Molecular Physics, and Optics, Analytical Chemistry, silver, Instrumentation, sapphire tube atomizer, Spectroscopy
volatile species generation, Atomic and Molecular Physics, and Optics, Analytical Chemistry, silver, Instrumentation, sapphire tube atomizer, Spectroscopy
Microsoft Academic Graph classification: In situ Detection limit Volatilisation Chemistry Analytical chemistry Trapping law.invention law Sapphire Tube (fluid conveyance) Atomic absorption spectroscopy Quartz
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).6 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).6 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Average impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average
Citations provided by BIP!Popularity provided by BIP!- Academy of Sciences Library Czech Republic
- Czech Academy of Sciences Czech Republic
Abstract Sapphire is presented as a high temperature and corrosion resistant material of an optical tube of an atomizer for volatile species of Ag generated by the reaction with NaBH4. The modular atomizer design was employed which allowed to carry out the measurements in two modes: (i) on-line atomization and (ii) in situ collection (directly in the optical tube) by means of excess of O2 over H2 in the carrier gas during the trapping step and vice versa in the volatilization step. In comparison with quartz atomizers, the sapphire tube atomizer provides a significantly increased atomizer lifetime as well as substantially improved repeatability of the Ag in situ collection signals shapes. In situ collection of Ag in the sapphire tube atomizer was highly efficient (> 90%). Limit of detection in the on-line atomization mode and in situ collection mode, respectively, was 1.2 ng ml− 1 and 0.15 ng ml− 1.