Definitions for quantitative analysis

This page provides all possible meanings and translations of the word quantitative analysis

Random House Webster's College Dictionary

quan′titative anal′ysis(n.)

  1. the analysis of a substance to determine the amounts and proportions of its chemical constituents.

    Category: Chemistry

  2. Business.the use of esp. computerized mathematical analysis to support decision making, make business forecasts or investment recommendations, etc.

    Category: Business

Origin of quantitative analysis:

1840–50

Princeton's WordNet

  1. quantitative analysis, quantitative chemical analysis(noun)

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

Wiktionary

  1. quantitative analysis(Noun)

    The determination of the amounts of an element or compound in a sample.

Freebase

  1. Quantitative analysis

    In chemistry, quantitative analysis is the determination of the absolute or relative abundance of one, several or all particular substance present in a sample. Once the presence of certain substance in a sample is known, the study of their absolute or relative abundance can help in determining specific properties. Knowing the composition of a sample is very important and several ways have been developed to make it possible, like gravimetric and volumetric analysis. Gravimetric analysis yields more accurate data about the composition of a sample than volumetric analysis does, but the first one takes more time to perform in the laboratory. Volumetric analysis in the other side doesn't take that much time and the results that we obtain are in the most cases satisfactory. Volumetric analysis can be simply a titration based in a neutralization reaction but it can also be a precipitation or a complex forming reaction as well as a titration based in a redox reaction. However, each method in quantitative analysis has a general specification, in neutralization reactions, for example, the reaction that occurs is between an acid and a base, which yields a salt and water, hence the name neutralization. In the precipitation reactions the standard solution is in the most cases silver nitrate which is used as a reagent to react with the ions present in the sample and to form a high insoluble precipitate. Precipitation methods are often called simply as Argentometry. In the two other methods the situation is the same. Complex forming titration is a reaction that occurs between metal ions and a standard solution that is in the most cases EDTA. In the redox titration that reaction is carried out between an oxidizing agent and a reduction agent.

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