Absorptionmeter Rectangular Cuvettes

Designed for high-sensitivity absorption measurements, featuring extended path lengths up to 200 mm for low-concentration sample analysis.

 

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Description

These rectangular cuvettes are specifically designed for absorption-based measurements, offering a wide range of extended optical path lengths (2.5–200 mm).

Compared to standard cuvettes (typically 10 mm path length), this design enables:

  • Enhanced detection sensitivity
  • Measurement of very low-concentration samples
  • Improved signal response in absorbance analysis

In rectangular cuvettes, the illuminated sample volume is well-defined by the geometry, ensuring accurate and consistent measurements

 

Applications

  • UV-Vis absorption spectroscopy
  • Low-concentration sample detection
  • Environmental and chemical analysis
  • Trace-level measurement applications

 

Key Features

  • Wide path length range: 2.5 mm to 200 mm
  • Rectangular geometry for defined optical path
  • Suitable for high-sensitivity absorbance measurements
  • Multiple volume options for different applications
  •  

 

Available Materials

  • Quartz (190–2500 nm, suitable for UV)
  • IR Quartz (extended infrared range)
  • Optical Glass (cost-effective for visible range)

 

Specifications

Available in multiple configurations with path lengths ranging from 2.5 mm to 200 mm, volumes from 2.2 mL to 175 mL, and consistent internal width (25 mm) for stable measurement conditions.

Outside Dimension

(mm)

Path Length

(mm)

Inside Width

(mm)

Volume

(mL)

Serial Number

ES-Quartz 

190-2500 nm

IR-Quartz 

250-3500 nm

Optical Glass

340-2500 nm

45 × 28 × 6.5 2.5 25 2.2 Q-682 I-682 G-682
45 × 28 × 9 5 25 4.4 Q-683 I-683 G-683
45 × 28 × 14 10 25 8.8 Q-684 I-684 G-684
45 × 28 × 24 20 25 17.5 Q-685 I-685 G-685
45 × 28 × 44 40 25 35.0 Q-686 I-686 G-686
45 × 28 × 54 50 25 43.8 Q-687 I-687 G-687
45 × 28 × 104 100 25 87.5 Q-688 I-688 G-688
45 × 28 × 204 200 25 175.0 Q-689 I-689 G-689