There are also wooden test tube racks that are more economical and are often seen in school laboratories. Is the largest manufacturer in our country that produces cells, optical cells and glass cells. During thirty years of research, development and production, we have gained a wealth of experience and obtained the certification of the ISO9001 International Quality System.

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The solution in the bucket should be high enough to be in the path of the light source. In the event that the sample requires high-temperature incubation, care should be taken to avoid temperatures too high for the bucket. Traditional ultraviolet-visible spectroscopy or fluorescence spectroscopy uses liquid samples. Often the sample is a solution, with the substance of interest dissolved inside. The sample is placed in a bucket and the bucket is placed in a spectrophotometer for testing. The bucket can be made of any material that is transparent in the wavelength range used in the test.

Sapphire can withstand the extreme natural condition of some sample solutions and temperature fluctuations. Corona glass has an optimal wavelength range of 340-2500 nm. Glass buckets are usually intended for use in the wavelength range of visible light, while molten quartz is usually used for ultraviolet applications. Buckets are used in the same way as test tubes because they contain aqueous samples. However, unlike test tubes, a cuvette is used in a spectrophotometer or fluorometer to measure the absorption or % transmission of light at a specific wavelength.

Some buckets have a maximum volume of 1 milliliter, while test tubes can have a maximum volume of 5 ml. As long as the laser that produces the light passes through the liquid and not through an empty part of the container, you will get an accurate measurement. If you use a pipette to load your samples, use a new tip for each sample to avoid cross-contamination. Biochrom offers a range of adapters that allow samples to be measured in glass test tubes with a diameter of 10, 14 and 16 mm. Some buckets will only be bright on either side, so that a single beam of light passes through those few sides; often, indistinct sides have ridges or are rough to be easily operated.