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GB/T 23942-2009 English PDF (GBT23942-2009)

GB/T 23942-2009 English PDF (GBT23942-2009)

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GB/T 23942-2009: Chemical reagent -- General rules for inductively coupled plasma atomic emission spectrometry
This standard specifies the requirements and methods for the determination of metal and non-metallic impurities in chemical reagents by inductively coupled plasma atomic emission spectrometry. This standard applies to the liquid specimen of chemical reagents containing a variety of impurities or the direct sample injection of the sample solution after removal of the substrate which is determined by the inductively coupled plasma atomic emission spectrometry (ICP-AES). This standard does not apply to solid sample injection.

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