A colorimeter is a tool used to determine the concentration of a chemical in a sample. It is a portable and compact device that can be used both in the laboratory and in the field. Therefore, in Kalstein we have the optimal colorimeter that measures the absorbance of a solution, and converts the concentration of a substance into a numerical value. This tool is very useful for measuring the concentration of nutrients in water, since accurate and fast results can be obtained.
Its operation is based on the principle of light absorption. Light is made up of different wavelengths, and each chemical absorbs light from a specific wavelength. The color of a substance is the result of the wavelength of light that has not been absorbed by the substance. For this reason, some substances appear as if they have a color, while others do not.
Colorimeter Measurement Scales
The absorbance of a substance is measured using an absorbance scale (Abs) on the colorimeter. This scale ranges from 0 to 1, and represents the percentage of light that has been absorbed by the substance. For example, a substance with an absorbance of 0.5 would absorb 50% of the incident light. The concentration of a substance can be calculated using the following formula: Concentration (C) = Absorbance/Absorption coefficient (A) Where A is the absorption coefficient of the substance. Apply a drop of the sample to the fourth bead or filter, and then place the fourth bead or filter on the colorimeter. This shall give an audible and/or visual signal to indicate the absorbance of the sample.
The absorbance measurement should then be taken and the concentration of the substance calculated using the formula above. Finally, it is a very useful tool to determine the concentration of nutrients in the water, as it provides accurate and fast results.
Determination of the Waters with the Use of the Colorimeter
The colorimeter is used to compare the water sample with a known color reference solution. A chemical reaction occurs between the water and the reference solution, and the colorimeter measures the color intensity of the reaction. From this measurement, the amount of chlorine in the water can be determined. High chlorine levels indicate increased water contamination, and must be treated before water can be used.
They can also be used to determine other contaminants in water, such as sulfate commonly found in water, and can cause health problems if ingested in large amounts. This can damage the equipment if it is in the water to be used. Therefore, it is important to determine sulfate levels in the water before using it. The colorimeter is also used to measure the pH of the water and the measurement of the acidity or alkalinity of a substance is measured on a scale from 0 to 14, with 0 being the most acidic and 14 the most basic. Water must have a pH between 6.5 and 8.5 to be safe for human consumption.
Colorimeter Kalstein mark
At Kalstein we are manufacturers of laboratory equipment and have a wide range at the best prices. We offer the Colorimeter corresponding to the YR series, equipped with built-in white plate parameters. Double openings: flat opening of Φ8 mm and tip opening of Φ4 mm for switch, easy to measure concave sample in a large plane. Equipped with a built-in high capacity rechargeable lithium-ion battery. It is not necessary to buy the battery repeatedly. Hand-held design: small and convenient; easy measurement.
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