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hellen7256木虫 (小有名气)
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金管富集-国产冷原子荧光光谱法测定空调颗粒物中的汞: 通过对国产原子荧光仪进样系统进行改造，采用在线热解样品金管富集冷原子荧光法测定空调颗粒物中的汞。试样热解温度为700～750OC，金管释放温度为5500C，试样载气流速为120 mL/min。方法检出限为1pg，汞含量在0～1.5ng范围内呈线性关系，测定标准偏差为2.23%。用国家土壤标准GBW07410中的汞验证了方法的准确性，并对某医院空调颗粒物中汞含量进行了分析。 谢谢大家的极力支持。 [ Last edited by hellen7256 on 2009-11-14 at 00:21 ] |
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hellen7256(金币+1,VIP+0): 11-17 11:26
hellen7256(金币+1,VIP+0): 11-17 11:26
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FSC enrichment - homemade cold vapor atomic fluorescence spectrometry of mercury in air particulate matter: Made by atomic fluorescence spectrometry sampling system transformation, using the FSC-line pyrolysis sample enrichment of cold vapor atomic fluorescence determination of mercury in air particulate matter. Sample pyrolysis temperature between 700 ~ 750OC, FSC release a temperature at 5500C, the sample carrier gas flow rate of 120 mL / min. The detection limit is 1pg, mercury content in the range of 0 ~ 1.5ng extress tje linear relationship with the measured standard deviation of 2.23%. National Soil use of Hg in the standard GBW07410 verify the accuracy of the method, and analyze a hospital of mercury in air particulate matter |
2楼2009-11-15 11:34:03
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