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is used as a qualitative test for

См. также в других словарях:

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Qualitative inorganic analysis — Classical qualitative inorganic analysis is a method of analytical chemistry which seeks to find elemental composition of inorganic compounds. It is mainly focused on detecting ions in an aqueous solution, so that materials in other forms may… …   Wikipedia

  • Qualitative research — Sociology …   Wikipedia

  • Qualitative variation — An index of qualitative variation (IQV) is a measure of statistical dispersion in nominal distributions. There are a variety of these, but they have been relatively little studied in the statistics literature. The simplest is the variation ratio …   Wikipedia

  • HIV test — Randall L. Tobias, former U.S. Global AIDS Coordinator, being publicly tested for HIV in Ethiopia in an effort to reduce the stigma of being tested.[1] HIV tests are used to detect the presence of the human immunodeficiency virus (HIV), the virus …   Wikipedia

  • Qualitative marketing research — is a set of research techniques, used in marketing and the social sciences, in which data is obtained from a relatively small group of respondents and not analyzed with inferential statistics. This differentiates it from quantitative analyzed for …   Wikipedia

  • Test tube — Two small test tubes held in spring clamps Other names Culture tube Uses Chemical reaction Related items Vacutainer …   Wikipedia

  • Beilstein test — The Beilstein test is a simple chemical test used in chemistry as a qualitative test for halides. It was developed by Friedrich Konrad Beilstein. [cite journal author= F. Beilstein title = Ueber den Nachweis von Chlor, Brom und Jod in organischen …   Wikipedia

  • Nitrate test — For the test to determine the ability of microbes to reduce nitrate to nitrite, see Nitrate reductase test. A nitrate test is a chemical test used to determine the presence of nitrate ion in solution. Testing for the presence of nitrate via wet… …   Wikipedia

  • qualitative chemical analysis — ▪ chemistry       branch of chemistry that deals with the identification of elements or grouping of elements present in a sample. The techniques employed in qualitative analysis vary in complexity, depending on the nature of the sample. In some… …   Universalium

  • Pregnancy test — A pregnancy test attempts to determine whether or not a female is pregnant. Records of attempts at pregnancy testing have been found as far back as the ancient Greek and ancient Egyptian cultures. Modern pregnancy tests look for chemical markers… …   Wikipedia

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