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Spectrophotometer cuvettes, silica (quartz) SKU : c5303
Sterility
/
Material
quartz
quartz
Volume
/
Scientific Score
7.67
Brand
Sigma-Aldrich
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 337.00
Catalog IDs
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BRAND® macro-cuvette SKU : br759005
Sterility
/
Material
polystyrene
polystyrene
Volume
/
Scientific Score
9.14
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 15.80
Catalog IDs
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BRAND® semi-micro cuvette SKU : br759015
Sterility
/
Material
polystyrene
polystyrene
Volume
/
Scientific Score
8.20
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 16.50
Catalog IDs
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BRAND® macro-cuvette SKU : br759105
Sterility
/
Material
PMMA
PMMA
Volume
/
Scientific Score
8.20
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 16.60
Catalog IDs
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BRAND® semi-micro cuvette SKU : br759115
Sterility
/
Material
PMMA
PMMA
Volume
/
Scientific Score
9.69
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 17.50
Catalog IDs
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BRAND® UV cuvette SKU : br759170
Scientific Score
7.54
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 86.40
Catalog IDs
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BRAND® cap for UV-cuvette micro SKU : br759240
Sterility
/
Material
PE;polyethylene;blue
PE;polyethylene;blue
Volume
/
Scientific Score
9.66
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 28.20
Catalog IDs
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BRAND® cap for UV-cuvette micro SKU : br759241
Sterility
/
Material
PE;polyethylene;yellow
PE;polyethylene;yellow
Volume
/
Scientific Score
8.20
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 28.20
Catalog IDs
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BRAND® cap for UV-cuvette micro SKU : br759242
Sterility
/
Material
PE;polyethylene;green
PE;polyethylene;green
Volume
/
Scientific Score
8.20
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 28.20
Catalog IDs
Added to comparison remove item
BRAND® cap for UV-cuvette micro SKU : br759243
Sterility
/
Material
PE;polyethylene;orange
PE;polyethylene;orange
Volume
/
Scientific Score
9.14
Brand
BRAND
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 28.20
Catalog IDs
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BRAND® cuvette rack SKU : br759500
Sterility
/
Material
polypropylene;gray
polypropylene;gray
Volume
/
Scientific Score
8.20
Brand
BRAND
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 27.20
Catalog IDs
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Spectrophotometer cuvettes, polystyrene SKU : c5677
Sterility
/
Material
polystyrene
polystyrene
Volume
/
Scientific Score
8.20
Brand
Sigma-Aldrich
Sizes
1 (100 Units)
Available From
1 Vendor
Price
$ 48.10
Catalog IDs
Added to comparison remove item

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Cuvette Functionality

Typical applications for cuvettes are spectroscopic experiments. They can be constructed of plastic, glass or fused quartz and are designed to allow the free passage of a light beam without interference.

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Cuvette Specifications

Cuvettes come in different sizes, and the appropriate one depends on the spectrophotometer used as well as the application. Standard sizes are 45 x 12.5 x 12.5 mm or 25 x 12.5 x 12.5 mm (H x W x D). For easy calculations of absorption coefficients, the typical path length is 10 mm, but different lengths are available too.

Choosing the right material is crucial to the success of your experiment. Disposable plastic cuvettes are the cheapest type, but they are not as optically transparent as quartz or glass cuvettes. Glass cuvettes can be reused and are suited for applications with wavelengths in the visible light range. Because glass and plastic may absorb wavelengths under 400 nm, a cuvette made of quartz should be used for spectroscopic experiments involving UV light.

Experimental Applications of Cuvettes

The spectral range is necessary to consider when choosing the correct cuvette; select a cuvette with a spectral range that is suitable for the wavelength used in your experiment.

For fluorescence spectroscopy, it is necessary to use cuvettes which are transparent on all sides.

Electroporation, which can be ten times more effective than chemical transfection, is often carried out in cuvettes. These particular cuvettes come equipped with two electrodes on opposite sides. The gap between the electrodes ranges between 1 to 4 mm with average filling volumes of 100 to 800 µL.

Specialty cuvettes also exist; e.g., dual-well cuvettes with separated compartments can measure two solutions side-by-side from one another.