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Anyl Chem 1 (Terms)

For ChemTech Review

TermDefinition
Analytical Chemistry Involves the application of techniques and methods to obtain and assess qualitative, quantitative, and structural information on the nature of matter.
Classical Technique also termed wet chemical analysis, consists of those analytical techniques that use no mechanical or electronic instruments other than a balance.
Instrumental Technique It includes techniques such as spectroscopy, mass spectrometry, crystallography, electrochemical analysis, thermal analysis, separations, and microscopy.
Technique are chemical or physico-chemical processes that provide the basis for analytical measurements.
Method a detailed set of instructions for a particular analysis using a specified technique.
Gravimetry weight of pure analysis or compound of known stoichiometry
Titrimetry volume of standard reagent solution reacting with the analyte
Spectroscopy wavelength of radiation emitted or absorbed by the analyte
Mass Spectrometry mass of analyte or fragments of it
Chromatography various physico-chemical properties of separated analytes
Electrochemical Analysis electrical properties of the analyte in solution
Analyte component of interest in the sample
Matrix collection of all the components in the sample
Procedure a set of written instructions on how to apply a method to a particular sample
Protocol set of written guidelines for the analysis of a sample specified by an agency
Sampling process of collecting a small amount of a material whose composition represents the bulk of the material being sampled
Aliquot portion of a solution subjected to analysis
Blank a sample that contains all the components of the matrix except the analyte
Signal an experimental measurement that is proportional to analyte concentration
Linear Regression a mathematical technique for fitting an equation, such as that for a straight line, to experimental data
Validation process of verifying that a procedure yields acceptable results
Created by: joshrobin21
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