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GLOSSARY

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Analytical Accuracy

The difference between the analyzed concentration and the true concentration. The degree of statistical agreement between the analyzed and the true concentration for a component of a gas mixture (usually at the 95% confidence level), or the certainty or sureness with which the analyzed concentration is known. Analytical measurements have sufficient anchoring to reference standards, calibration, precision, resolution and traceability to assure that the true concentration for a component can be estimated to the claimed accuracy. Analytical accuracy can be calculated because Scott analytical measurements require actual data for reference standards, calibration, precision, resolution and traceability.

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