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Spectrophotometers
Spectrophotometers are instruments commonly used in laboratories that can measure the number of photons that are absorbed through a sample. This device's use in a laboratory usually is to determine the variety of substances in a solution. Because of each material’s different level of light absorption, spectrophotometer can help to determine how if there are additional substances in a measured material. This is an important step for quality control or food and beverage analysis. Colorimeters are similar, yet simpler devices, as spectrophotometers are effective even when the solution is colorless. Although spectrophotometers are more precise professional devices that factor in the light’s intensity, colorimeters have some great advantages, as they are lower in cost and easy to operate.