matrix (in analysis) The components of the sample other than the analyte. matrix effect 1. (in analytical chemistry) The combined effect of all components of the sample other than the analyte on the measurement of the quantity. If a specific component can be identified as causing an effect then this is referred to as interference. matrix effects 在下面这个帖子里面写作基质效应，根据上面IUPAC的解释，我觉得应该包括杂质吧？？杂质是不属于基质的吧http://www.instrument.com.cn/bbs/shtml/20070115/712560/
redanqi发表:1. (in analytical chemistry) The combined effect of all components of the sample other than the analyte on the measurement of the quantity. matrix effects 在下面这个帖子里面写作基质效应，根据上面IUPAC的解释，我觉得应该包括杂质吧？？杂质是不属于基质的吧http://www.instrument.com.cn/bbs/shtml/20070115/712560/
"The components of the sample other than the analyte."
It means everything except the analyte, so impurities are included. In practice, impurities inteferes the measurement. That's the purpose of using differnt blanks for correction.
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