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Estimation of an analyte amount or composition together with calibration, uncertainty, selectivity, and sampling qualifications.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbookEach relation below ends at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Quantitative analysis estimates an amount or composition and its uncertainty.
The target is a member or subtype of the broader source class.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbookThis is an authored directed relation from the source endpoint to the target endpoint.
Quantitative analysis combines a measurement model, calibration, sample preparation, and uncertainty evaluation.
The source supplies a substantive formal ingredient, dynamical sector, law, field content, or mechanism of the target theoretical framework.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbookThis is an authored directed relation from the source endpoint to the target endpoint.
Sampling variance and bias can dominate instrumental precision when the sampled material is heterogeneous.
The source supplies a substantive formal ingredient, dynamical sector, law, field content, or mechanism of the target theoretical framework.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbookThis is an authored directed relation from the source endpoint to the target endpoint.
Stoichiometric relations supply amount conversions in quantitative analysis after identity, reaction completeness, calibration, interferences, and the measurement equation are established.
The source supplies a substantive formal ingredient, dynamical sector, law, field content, or mechanism of the target theoretical framework.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbookEach relation below starts at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
A calibration curve is a response-to-quantity model used in quantitative analysis; its form, range, standards, residuals, uncertainty, matrix effects, and drift must be validated.
The target is a model, idealization, restricted ansatz, approximation scheme, phenomenological fit, or historical representation used for the source system or theory. It need not have a universal small error parameter and is not thereby a controlled limit or effective theory. The edge label and detail must identify the precise status.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbookThis is an authored directed relation from the source endpoint to the target endpoint.
Quantitative analysis can report concentration only with the measurand, amount basis, sample preparation, calibration, matrix, uncertainty, and traceability stated explicitly.
The target represents a state, property, observable, or state-dependent description associated with the source system or theory.
wp-chem-solutionopenstax-chemistry-2eiupac-solubility-dataiupac-gold-bookThis is an authored directed relation from the source endpoint to the target endpoint.
A quantitative result is qualified by uncertainty for a defined measurand and coverage statement, incorporating identified calibration, sampling, preparation, model, repeatability, and other contributions.
The target represents a state, property, observable, or state-dependent description associated with the source system or theory.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbookThis is an authored directed relation from the source endpoint to the target endpoint.
Standard addition is a quantitative method used when a sample matrix changes the measurement response; it remains conditional on representative aliquots, known additions, suitable response behavior, and a stated extrapolation model.
The target is a member or subtype of the broader source class.
wp-chem-analytical-chemistryiupac-orange-booknist-chemistry-webbook