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How to ensure QC in the lab?

QM, QS, QA & QC terms and definitions Analytical protocol ; validation parameters: result accuracy, method precision ; error types in analytical chemistry, significant figures (digits), Gauss curve, Z score – Levey Jennings chart, measurement uncertainty, Ishikawa diagram Internal and external QC Examples Internal QC - Cd in Misc. External QC - N in Soil.

Analytical chemistry, precision, accuracy, quality control

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