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Polarimetry is an important technique for the investigation and analysis of optically active substances.
Common applications include:
Characterization of newly synthesized compounds
Quality control of pharmaceutical drugs
Precise quantitative analysis of sugars
Selective detection of optically active components by HPLC
Monitoring and control of enzymatic reactions
Principle: Automatic precision Polarimeter with optical null principle by rotation of the analyzer; automatic gain control.
Radiation: Na spectral lamp
Spectral lines: Selectable from instrument keypad (Na 589 nm)
Apertures: Selectable apertures for standard cells and microcells.
Detector: Photomultiplier 1P28A.
Polarizer and analyzer: Vis-transmitting polarizers
Rotatory range: ± 85°
Balancing speed: 1.3°/s at 50 Hz; 1.5°/s at 60 Hz.
Accuracy: ± 0.002° for rotations ≤1º; ± 0.2% for rotations >1°
Reproducibility: Better than 0.002° (for zero and rotational reading).
Internal angular resolution: 1 x 10-4 º
Integration times: 0.1s, 0.2s, 0.5s, 1s, 2s, 5s, 10s, 20s, 50s and 100s.
Autozero setting: Electronically from instrument keypad at any desired position in the rotatory range.
User interaction: Either menu-driven from integrated touch-keys (English, German, French, Spanish and Italian), or PC-controlled from POL WinLab or POL WinLab ES software.
Display: Stand-alone operation: vacuum fluorescence display, two lines with 20 characters each.
Format of results: Selectable from instrument keypad – angular rotation, specific rotation, molar rotation, international sugar scale, user-defined scale with factor and offset.
Dimensions (WxHxD): 825 x 310 x 390 mm
Weight: 40 kg
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