Cuvettes and accessories
Technical data

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
300 nm ≤ ± 0.002

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.