The Matrix is the material of which the sample is composed or the substrate containing the analyte of interest, such as drinking water, waste water, air, soilsediment, biological material, etc. It is also called medium or media.

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Sample ■■■■■■
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Activated Carbon ■■■■■
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HCL at top500.de■■■■■
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Sampler ■■■■■
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Characteristic ■■■■■
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Transfer ■■■■■
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Soil ■■■■■
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Adsorption ■■■■■
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Sampling ■■■■■
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