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KMID : 0385519940070030253
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Analytical Science & Technology
1994 Volume.7 No. 3 p.253 ~ p.260
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A Study on the Analytical Characterizations of the Low Flow-Low Power ICP-AES
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Yang Hae-Soon
Kim Young-Man
Kim Sun-Tae
Choi Beom-Suk
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Abstract
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Analytical characteristics of low power-low flow inductively coupled plasma-atomic emission spectometry(ICP-AES) has been studied. Although the net intensity of the low power ICP is lower than the moderate power ICP, the signal to background ratio becomes higher since the background intensity decreases with decreasing the RF power. The detection limit of the low power ICP is comparable with that of the moderate power ICP. The dynamic range of the calibration curve of the low power ICP is 10⁴~10^5. The ionization interferences by alkali metals increase with increasing the carrier gas flow rate, but the effects are not varied significantly with the RF power.
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KEYWORD
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Low power-low flow ICP, detection limit, signal to
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