Semi-automatic microliter sample injection into an inductively coupled plasma for simultaneous multielement analysis
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説明
A semi-automatic microliter sample injector with an 8-way motor-driven rotary valve was constructed for a conventional pneumatic nebulizer. After a 40-μl sample was injected into an injection tee with a micro-syringe, nebulization and flushing the sample pathway with water followed by argon were automatically executed. An automatic peak detector/integrator was employed in each channel of a three-channel spectrometer for simultaneous multielement analysis. The relative standard deviation of the peak height for 1μg Zr/ml was 1.7% and measuring time of one sample was about 1 min. Detection limits were 2 to 6 times higher than those in continuous feeding.
収録刊行物
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- Mikrochimica Acta
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Mikrochimica Acta 77 423-431, 1982-09-01
Springer Science and Business Media LLC