REINSCHS TEST Meaning and
Definition
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Reinsch's test refers to a chemical procedure commonly employed for the detection and qualitative analysis of different elements, particularly heavy metals like arsenic, antimony, lead, and bismuth. This test is based on the principle of formation of colored complexes between these metals and a reagent called Reinsch's reagent.
The Reinsch's reagent is prepared by dissolving a clean copper strip in dilute nitric acid to obtain a deep blue solution of copper nitrate. The test is conducted by immersing the copper strip into the sample suspected to contain the heavy metal ions. As a result, metallic ions in the sample, if present, get reduced and deposited as a thin black coating on the copper strip.
The color change that occurs on the copper strip signifies the presence of heavy metal ions. For example, if arsenic is present, the deposited black coating on the copper strip will have a yellow hue, indicating the formation of the copper arsenic complex.
Reinsch's test is primarily used to screen for the presence of heavy metals in various samples, such as forensic evidence, environmental samples, or during the analysis of potentially toxic substances. However, it should be noted that this test is qualitative in nature, meaning it can provide an indication of the presence of heavy metals but not their exact concentration. Quantitative analysis is usually performed through more specialized methods.
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Etymology of REINSCHS TEST
The word "Reinsch's test" is named after Friedrich Reinsch, a German chemist who is credited with developing the test. The etymology of the word is derived from Reinsch's last name and the term "test", which refers to a procedure or method used to determine the presence or properties of a substance. Therefore, "Reinsch's test" is a specific chemical test developed by Reinsch.
Similar spelling word for REINSCHS TEST
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