chemical analysis

/ˌkɛməkəl əˌnæləsəs/

Other forms: chemical analyses

Definitions of chemical analysis

1. noun

   the act of decomposing a substance into its constituent elements
   synonyms: qualitative analysis

   types:

   uranalysis, urinalysis

   (medicine) the chemical analysis of urine (for medical diagnosis)

   scatology

   (medicine) the chemical analysis of excrement (for medical diagnosis or for paleontological purposes)

   polarography

   an electrochemical method of chemical analysis

   quantitative analysis, quantitative chemical analysis

   chemical analysis to determine the amounts of each element in the substance

   spectrographic analysis, spectrometry, spectroscopic analysis, spectroscopy, spectrum analysis

   the use of spectroscopes to analyze spectra

   dialysis

   separation of different substances mixed together by passing them through a filter that only one of the substances can get through

   dating, geological dating

   use of chemical analysis to estimate the age of geological specimens

   thermogravimetry

   the measurement of changes in weight as a function of changes in temperature used as a technique of chemically analyzing substances

   colorimetric analysis, colorimetry

   quantitative chemical analysis by color using a colorimeter

   volumetric analysis

   quantitative analysis by the use of definite volumes of standard solutions or reagents

   volumetric analysis

   determination of the volume of gases (or changes in their volume) during combination

   gravimetric analysis

   quantitative analysis by weight

   apheresis, pheresis

   a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion

   haemodialysis, hemodialysis

   dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure

   mass spectroscopy

   the use of spectroscopy to determine the masses of small electrically charged particles

   microwave spectroscopy

   the use of spectroscopy to study atomic or molecular resonances in the microwave spectrum

   potassium-argon dating

   geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon

   carbon dating, carbon-14 dating, radiocarbon dating

   a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon-14; believed to be reliable up to 40,000 years

   rubidium-strontium dating

   geological dating based on the proportions of radioactive rubidium into its decay product strontium; radioactive rubidium has a half-life of 47,000,000,000 years

   type of:

   analysis

   an investigation of the component parts of a whole and their relations in making up the whole