Analytical Chemistry & Spectroscopy
60 terms · page 3 of 3
Secondary Standard
A solution whose concentration has been established by titration against a primary standard.
Analytical Chemistry & SpectroscopySensitivity
The change in an instrument's response for a given change in analyte concentration.
Analytical Chemistry & SpectroscopySpecificity
The ability of a method to measure the analyte accurately in the presence of everything else in the sample.
Analytical Chemistry & SpectroscopySpin–Spin Coupling
The splitting of an NMR signal into multiple lines caused by interaction with neighbouring non-equivalent nuclei.
Analytical Chemistry & SpectroscopyStandard Deviation
A statistical measure of the spread of a set of repeated measurements about their mean.
Analytical Chemistry & SpectroscopyStandardisation
The determination of the exact concentration of a solution by titrating it against a primary standard.
Analytical Chemistry & SpectroscopyStationary Phase
The fixed material in a chromatographic system with which the sample components interact as they pass.
Analytical Chemistry & SpectroscopySystematic Error
An error that shifts every result in the same direction by a similar amount.
Analytical Chemistry & SpectroscopyThin Layer Chromatography
A chromatographic technique using a thin layer of adsorbent coated on a flat plate.
Analytical Chemistry & SpectroscopyUltraviolet–Visible Spectroscopy
A technique that measures the absorption of ultraviolet and visible light by electronic transitions within molecules.
Analytical Chemistry & SpectroscopyVolumetric Analysis
Quantitative analysis based on measuring the volume of a standard solution needed to react with the analyte.
Analytical Chemistry & SpectroscopyX-ray Crystallography
A technique that determines the three-dimensional atomic structure of a crystal from its X-ray diffraction pattern.