COLORIMETRIC TEST Meaning and
Definition
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A colorimetric test is a type of analytical method used to measure the concentration or presence of a substance in a sample by assessing its color intensity or changes in color. It is based on the principle that certain substances have the ability to produce color reactions when they are exposed to specific reagents or undergo specific reactions.
In a colorimetric test, a sample is usually mixed with a chemical reagent that reacts with the target substance. This reaction leads to a change in color, which can be visually observed or quantitatively measured using a colorimeter or spectrophotometer. The intensity of color is directly proportional to the concentration or amount of the substance being analyzed.
Colorimetric tests are commonly used in various fields such as chemistry, biochemistry, environmental science, and medical diagnostics. They provide a rapid and relatively simple means of determining the presence or concentration of substances in a sample. Some examples of colorimetric tests include pH indicator strips, which change color depending on the acidity or alkalinity of a solution, and pregnancy tests, which detect the presence of human chorionic gonadotropin hormone in urine.
Overall, colorimetric tests offer a practical and cost-effective way to perform qualitative or quantitative analysis by visually or instrumentally observing changes in color in response to specific reactions.
Common Misspellings for COLORIMETRIC TEST
- xolorimetric test
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- colirimetric test
- colkrimetric test
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- coloeimetric test
Etymology of COLORIMETRIC TEST
The word "colorimetric" is derived from two root words: "color" and "metric".
- "Color" refers to the perception of different wavelengths of light as different colors by the human eye. It comes from the Latin word "color", which means "color" or "hue".
- "Metric" comes from the Greek word "metron", which means "measure". It refers to a system of measurement or a method of quantifying something.
Therefore, "colorimetric" combines the concept of measuring or quantifying color. In the context of a colorimetric test, it refers to a method of analysis or measurement that relies on color as an indicator or marker for detecting and quantifying certain substances or properties.
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