One common method for determining the concentration of a sample vegetable in a laboratory investigation is by using spectrophotometry. This involves measuring the absorption of light by the sample at specific wavelengths.
First, a solution is prepared by extracting the desired compounds from the vegetable sample. This could involve techniques such as solvent extraction or steam distillation. Then, the solution is placed in a spectrophotometer, which will measure the amount of light absorbed by the compounds present in the sample.
By comparing the absorption of the sample to a standard curve generated from known concentrations of the compound, the concentration of the compound in the vegetable sample can be determined.
Other methods for determining the concentration of compounds in a vegetable sample include chromatography, mass spectrometry, and various chemical tests. The choice of method will depend on the specific compound of interest and the sensitivity required for the analysis.
How can you determine the concentration of a sample vegetable using laboratory investigation?
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