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32:. According to the EPA, the "primary purpose of blanks is to trace sources of artificially introduced contamination." Different types of blanks are used to identify the source of contamination in the sample. The types of blanks include equipment blank, field blank, trip blank, method blank, and instrument blank.
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of interest, usually used to calibrate instruments such as a
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52:. European Virtual Institute for Speciation Analysis.
96:"Statistics in Analytical Chemistry: Part 40—Blanks"
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94:Coleman, D.; Vanatta, L. (29 October 2010).
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64:"Quality Control Tools: Blanks"
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50:"Glossary – Blank solution"
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