Science > Life Science > Cuvettes > PS And PMMA Cuvettes

PS And PMMA Cuvettes

Item# 0166-759076D

Regular Price: $24.92

Today's Price: $21.48

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PS and PMMA Cuvettes

BRAND's plastic cuvettes are manufactured from the highest quality virgin resins for highest optical quality and are an excellent choice for most spectrophotometry applications in the visible range. Manufactured from polystyrene (PS) or polymethyl methacrylate (PMMA), they provide accurate, reliable results. Choose PS for determinations above 340nm, and where cost is a concern. When performing assays above 300nm, choose PMMA. (For wavelengths below 300nm, see our UV-cuvettes). These disposable cuvettes are available in macro and semi-micro sizes to accommodate most sample volumes and are compatible with most spectrophotometers and photometers. All BRAND cuvettes are manufactured from scratch-resistant materials, and are grouped by manufacturing mold cavity number to ensure the lowest variation in extinction coefficient.

Frequently Asked Questions

1. What is the light path of the BRAND cuvettes?
All BRAND cuvettes have a light path of 10mm.

2. What is the difference between your PS, PMMA and UV-Cuvettes?
Polystyrene (PS) cuvettes are the least expensive, however they have the lowest chemical resistance, and are only suitable for visible light applications, with a lower wavelength limit of around 340nm. Polymethyl methacrylate (PMMA or "acrylic") cuvettes extend that range to about 300nm, or slightly into the near UV range, and have slightly greater chemical compatibility. BRAND UV-Cuvettes use a proprietary plastic to allow measurement as low as 230nm, and has resistance to many polar organics as well as many acids and bases.

3. What does "mold cavity matched" mean?
Cuvettes are injection molded plastic. No matter how close the tolerances are in the molds, there will be some variance. BRAND cuvettes are sorted during the manufacturing process so that each package of cuvettes contains only cuvettes made from the same mold, minimizing the cuvette-to-cuvette variance.

4. What is the maximum temperature the PS cuvettes can tolerate?
The PS cuvettes should not be used at temperatures above 70 C.

5. What is the maximum temperature the PMMA cuvettes can tolerate?
The PMMA cuvettes should not be used at temperatures above 60 C.

WARNING These products can expose you to chemicals including -Methyl styrene (alpha-Methylstyrene), which is known to the State of California to cause cancer, and Di-n-butyl Phthalate (DBP), which is known to the State of California to cause birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov.

BRAND Polystyrene (PS) Cuvettes

Description
Filling Vol.
Window
Dimensions, mm
Light
Path, mm
Pack of
Cat. No.
Min.
Max.
Macro
2.5
4.5
10 x 35
10
500
759070D
Macro
2.5
4.5
10 x 35
10
100
759071D
Semi-micro
1.5
3
4.5 x 23
10
500
759075D
Semi-micro
1.5
3
4.5 x 23
10
100
759076D

BRAND Methacrylate (PMMA) Cuvettes

Description
Filling Vol.
Window
Dimensions, mm
Light
Path, mm
Pack of
Cat. No.
Min.
Max.
Macro
2.5
4.5
10 x 35
10
500
759080D
Macro
2.5
4.5
10 x 35
10
100
759081D
Semi-micro
1.5
3
4.5 x 23
10
500
759085D
Semi-micro
1.5
3
4.5 x 23
10
100
759086D
Shipping Information: Weight 0.59 lbs
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    Science Life Science Cuvettes - 759076D - PS and PMMA Cuvettes
     
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