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The application of a separated air-acetylene flame to the determination of several elements by long-path atomic-absorption spectroscopy is described. The factors which govern the stability and reproducibility of the separated flame have been investigated. High sensitivity and stability and low background absorption are obtained in the the determination of zinc, iron, copper, mercury, magnesium and silver by the method described. 相似文献
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Arunmozhiarasi Armugam Charmian DN Cher KaiYing Lim Dawn CI Koh David W Howells Kandiah Jeyaseelan 《BMC neuroscience》2009,10(1):120
Background
Phospholipase A2 liberates free fatty acids and lysophospholipids upon hydrolysis of phospholipids and these products are often associated with detrimental effects such as inflammation and cerebral ischemia. The neuroprotective effect of neutral phospholipase from snake venom has been investigated. 相似文献3.
The construction of a simple low-power microwave plasma source for emission spectroscopy is described. 相似文献
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