Dimensions and volumes
Cuvette type | Filling volume | Dimensions (window) | Range of application | Standard deviation in extincion units | |
min. | max. | ||||
UV-Cuvette micro, c = 8,5 | 70 µl | 850 µl | 2 x 3.5 mm (min.) | from 220 to 900 nm | 260 nm ≤ ± 0.010 |
UV-Cuvette micro, c = 15 | 70 µl | 550 µl | 2 x 3.5 mm (min.) | ||
UV-Cuvette macro | 2.5 ml | 4.5 ml | 10 x 35 mm | ||
UV-Cuvette semi-micro | 1.5 ml | 3.0 ml | 4.5 x 23 mm | ||
macro cuvette (PMMA) | 2.5 ml | 4.5 ml | 10 x 35 mm | from 300 to 900 nm | 320 nm ≤ ± 0.004 |
semi-macro cuvette (PMMA) | 1.5 ml | 3.0 ml | 4.5 x 23 mm | ||
macro cuvette (PS) | 2.5 ml | 4.5 ml | 10 x 35 mm | from 340 to 900 nm | 360 nm ≤ ± 0.005 |
semi-macro cuvette (PS) | 2.5 ml | 3.0 ml | 4.5 x 23 mm | ||
Transmission curves of different cuvettes
To achieve reproducible results: Before the actual measurement, always determine the blank value
for the cuvette, and determine the linear range of measurement by means of a calibration curve.
Chemical resistance* of plastic cuvettes
Substance | PS | PMMA | UV-Cuvette |
Acetic acid, 100% | - | - | + |
Acetone | - | - | + |
Ammonia | + | + | + |
Benzaldehyde | - | - | + |
Butanon | - | - | + |
Chloroform | - | - | - |
Dioxane | - | - | + |
DMF | - | - | + |
Ethyl acetate | - | - | + |
Hexane | - | + | - |
Hydrochloric acid, 36% | + | - | + |
Hydrofluoric acid, 10% | + | + | + |
Isopropanol | + | + | + |
Nitric acid, 65% | - | - | + |
Sodium hydroxide | + | + | + |
* Short time reistance, 30 min. Long-term storage of these chemicals should be confirmed by the user. Request a free sample.


