21-G Glass Cuvette, Stopper Top, Standard, Absorbance
Glass cuvettes for measuring absorbance have excellent transmission from 334nm – 2500nm and excellent chemical resistance as well. This well designed standard cuvette has two frosted sides and two clear sides, making it well designed for absorbance measurements.. The external dimensions are 12.5mm x 12.5mm x 45mm. The optical pathlengths are available from 1 to 100mm. The volume of the 10mm path cell is 3.5ml. 334-2500nm.
Order SPA spacers for 1, 2 and 5mm pathlengths.
Description: | Rectangular Spectrophotometer Cells |
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Physical Configuration: | Standard window and wall thickness (1.25mm) see other dimensions on charts below |
Primary use: | Absorption measurement measurement in usable range (see charts below) |
Clear windows: | Two |
Instrument: | Can be used with spectrophotometers and colorimeters |
Pathlengths available: | 1, 2, 5, 10, 20, 40, 50, 100mm |
Most commonly used path length: | 10mm |
Cell top: | PTFE stopper in "ground type" joint. Liquid tight for up to 12 hours |
Window material Optical Glass, useable range: 334 to 2500nm | ||||||||
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Starna | Path | Exterior | Interior | Nominal | Number | |||
Catalog | Length | Width | Length | Height | Width | Length | Volume | Polished |
Number | mm | mm | mm | mm | mm | mm | ml | Windows |
21-G-1 | 1 | 12.5 | 3.5 | 55 | 10 | 1 | 0.400 | 2 |
21-G-2 | 2 | 12.5 | 4.5 | 55 | 10 | 2 | 0.700 | 2 |
21-G-5 | 5 | 12.5 | 7.5 | 48 | 10 | 5 | 1.700 | 2 |
21-G-10 | 10 | 12.5 | 12.5 | 48 | 10 | 10 | 3.500 | 2 |
21-G-20 | 20 | 12.5 | 22.5 | 48 | 10 | 20 | 7.000 | 2 |
21-G-40 | 40 | 12.5 | 42.5 | 48 | 10 | 40 | 14.000 | 2 |
21-G-50 | 50 | 12.5 | 52.5 | 48 | 9.5 | 50 | 17.500 | 2 |
21-G-100 | 100 | 12.5 | 102.5 | 48 | 9 | 100 | 35.000 | 2 |
We carry hundreds of cuvettes in quartz, glass and IR quartz! Send an e-mail telling us what you need and we'll find it for you. If you like, download the Starna catalogue and send us the part number for an up to date quote.