chemical testing
Substance composition analysis
Chemical testing is the analysis of substances to determine their composition, purity, or properties.
The term covers everything from laboratory analysis of water samples to drug testing of employees or athletes: The company requires chemical testing for all new hires.
In manufacturing, chemical testing ensures materials meet specifications before use.
- spectrophotometerLight-measuring analytical instrument
- titrationMeasuring concentration by addition
- chromatographyTechnique separating mixtures by differential migration
- breathalyzerAlcohol detection device
- product safetyStandards preventing harmful goods
spectroscopy · calorimetry · mass spectrometry · forensic science · burette · environmental monitoring · pH meter · assay · OSHA regulations · sample · soil sample · reagent · contamination · lead paint · pipette · litmus paper · solution · reaction
- forensicsDNA, fingerprints, forensics, criminalistics, fingerprint
- DUIdrunk tank, implied consent, breathalyzer, blood alcohol level, BAC limit
- Archaeometrydating methods, spectroscopy, carbon dating, chromatography, mass spectrometry
- art authenticationprovenance, authenticity, authentication, connoisseurship, ultraviolet imaging
- Chemical Regulationbanned substances, toxic substances, hazardous materials, EPA, safety data sheets
- Laboratoriesflasks, lab notebook, beakers, science lab, lab technician
chemical testingphysical examination
Medical evaluation of body
visual inspection · electrical testing · genetic testing · structural analysis · stress testing
chemical testingguesswork
Conclusions drawn without proof
intuition · speculation · assumption · expert opinion · rule of thumb
chemical testingfield observation
Watching subjects in place