CUVETTES: Plastic
$ 34.50 excl. GST
- Plastic cuvettes with dimensions 10 x 10 x 45mm (i.d.).
- Pack of 100.
In stock (can be backordered)
CUVETTES: Plastic
- Plastic cuvettes with dimensions 10 x 10 x 45mm (i.d.).
- Pack of 100.
(Wikipedia excerpt: ..."In laboratories, a cuvette (French: lit. 'little vessel') is a small tube-like container with straight sides and a circular or square cross-section. It is sealed at one end, and made of a clear, transparent material such as plastic, glass, or fused quartz.
...are designed to hold samples for spectroscopic measurement, where a beam of light is passed through the sample within the cuvette to measure the absorbance, transmittance, fluorescence intensity, fluorescence polarization, or fluorescence lifetime of the sample. This measurement is done with a spectrophotometer.
Traditional ultraviolet–visible spectroscopy or fluorescence spectroscopy uses samples that are liquid. Often the sample is a solution, with the substance of interest dissolved within. The sample is placed in a cuvette then is placed in a spectrophotometer for testing. ...can be made of any material that is transparent in the range of wavelengths used in the test.
The smallest types can hold 70 microliters, while the largest can hold 2.5 milliliters or more. The width determines the length of the light path through the sample, which affects the calculation of the absorbance value. Many types have a light path of 10 mm (0.39 in), which simplifies calculation of the coefficient of absorption. Most types have two transparent sides opposite one another so the spectrophotometer light can pass through, although some tests use reflection so only need a single transparent side...")
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