The primary goal of analytical chemistry is determining the composition of substances.

Atomic absorption spectroscopy is commonly used for identifying and quantifying elements in a sample.

Titration is a technique for determining the concentration of a solution.

Gas chromatography separates compounds based on differences in their boiling points.

A calibration curve is used to relate instrument response to analyte concentration.

Spectrophotometry measures the interaction of light with matter to identify and quantify substances.

Mass spectrometry separates and identifies components based on mass-to-charge ratio.

Liquid chromatography separates components based on their affinity for a stationary phase.

Electrochemical methods involve passing an electric current through a solution to determine analyte concentration.

Reagents in analytical chemistry react with the analyte to produce a measurable product.

NMR spectroscopy involves the study of the interaction between magnetic nuclei and an external magnetic field.

Internal standards in analytical chemistry help correct for variations in experimental conditions.

Calorimetry measures the amount of heat released or absorbed during a chemical reaction.

HPLC is commonly used to separate and quantify amino acids in a sample.

Accuracy in analytical chemistry refers to the closeness of a measurement to the true value.

Electrophoresis separates charged particles based on their mass-to-charge ratio in an electric field.

Quality control in analytical chemistry ensures the reliability of results through systematic checks.

In atomic absorption spectroscopy, the amount of absorbed light is proportional to the concentration of the analyte.

A mass spectrometer provides detailed information about the molecular structure of compounds.

The mobile phase in chromatography carries the sample through the stationary phase.

Precision is the measure of how closely repeated measurements agree with each other.

Polarimetry measures the rotation of plane-polarized light to quantify the concentration of optically active substances.

ICP-MS is commonly used for detecting and quantifying trace metals in environmental samples.

The detector in chromatography records the separation pattern of components.

Potentiometry measures the electrical potential of a solution.

Sample preparation techniques in analytical chemistry aim to remove interferences and enhance analyte concentration.

Ion chromatography separates ions based on their mobility in a buffer solution under an electric field.

Atomic emission spectroscopy measures the emission of light by atoms or molecules after excitation.

Sensitivity in analytical chemistry refers to the ability to detect small changes in analyte concentration.

The stationary phase in chromatography immobilizes components, causing their separation during analysis.

Gas chromatography separates components based on differences in volatility.

Kinetic spectrophotometry measures the rate of a chemical reaction by monitoring changes in absorbance or fluorescence over time.

A blank sample in analytical chemistry helps account for contamination from the environment.

Headspace gas chromatography is suitable for identifying and quantifying volatile organic compounds in environmental samples.

A control sample in analytical chemistry serves as a reference standard for comparison.

XRF measures the absorption of X-rays by atoms to determine the elemental composition of a sample.

A buffer solution in potentiometric titrations maintains a constant pH, preventing significant changes in acidity or alkalinity.

Robustness in analytical chemistry refers to the ability to produce consistent results under varying conditions.

Fluorescence spectroscopy measures the time-dependent decay of excited-state molecules to identify and quantify substances.

Ion chromatography separates ions based on differences in ionic charge.

The quantitation limit in analytical chemistry is the lowest concentration that can be reliably measured with acceptable precision and accuracy.

Potentiometry involves measuring the voltage difference across an electrochemical cell to determine the concentration of an analyte.

A spectrometer in analytical chemistry measures the absorbance or emission of light for analysis.

Dynamic light scattering measures the scattering of light to determine the size and distribution of particles in a sample.

NMR spectroscopy involves the study of the interaction between a magnetic field and radiofrequency radiation to analyze molecular structures.

Conductometry measures the change in electrical conductivity of a solution during a chemical reaction.

Internal calibration standards in analytical chemistry help correct for variations in instrumental conditions.

Selectivity in analytical chemistry refers to the ability to selectively detect a specific analyte in the presence of other substances.

A guard column in chromatography protects the analytical column from contaminants, prolonging its lifespan.

Electrophoresis measures the movement of charged particles in an electric field to separate and identify ions in a sample.

Linearity in analytical methods refers to the straightness of a calibration curve, indicating a proportional relationship between instrument response and analyte concentration.

GC-MS is commonly used for the detection and quantification of organic compounds in gas samples.

A reference electrode in potentiometric measurements provides a stable potential against which the analyte electrode can be measured.

The stationary phase in gas chromatography provides separation based on interactions with sample components.

XRD uses X-rays to determine the crystal structure of a sample by analyzing the diffraction pattern.

A monochromator in spectroscopy selectively isolates a specific wavelength of light for analysis.

XRF is suitable for analyzing the elemental composition of solid samples.

A detector in gas chromatography records the separation pattern of components.

Repeatability in analytical chemistry refers to the precision and reproducibility of results obtained from the same sample under identical conditions.

The Beer-Lambert law in spectrophotometry describes the linear relationship between absorbance and concentration of a sample.