About Laurent Half Shade Polarimeter
Designed on Laurents half shade principle for accurate results. Equipped with polarizing Unit analyzer precisely graduated scale capable of rotation and divided in single degrees Vernier reading to 1/10 supplied complete with 200mm polarimeter tube, hand magnifier for easy reading of Vernier Packed in cabinet.
Reliable Optical Precision for Laboratory WorkUtilizing the half-shade principle, the Laurent Half Shade Polarimeter ensures stable, sensitive, and repeatable measurements. The integrated optical system and high-quality glass components provide clear observations. The included eyepiece aids in making precise linear readings, perfect for various laboratory assessments, including sugar and chemical analysis.
Versatile Manual Operation and CalibrationWith its robust manual rotation and alignment mechanism, the polarimeter requires no electric powermaking it convenient for diverse lab settings. Factory calibration assures initial accuracy, while simple user calibration enables enduring performance. The detachable sample tube options add to its flexibility for different experiment requirements.
FAQs of Laurent Half Shade Polarimeter:
Q: How do I operate the Laurent Half Shade Polarimeter for measurements?
A: To use the Laurent Half Shade Polarimeter, fill the sample tube (standard 200 mm) with your solution, position it in the instrument, and manually rotate the analyzer until the half-shade field appears uniform through the eyepiece. Then, read the measurement directly from the visual scale, using the vernier for precise readings up to 0.05.
Q: What type of light source is required, and is it included with the instrument?
A: The polarimeter requires a monochromatic sodium lamp as a light source to ensure precise and consistent results. Note that the sodium lamp is not included with the instrument and should be sourced separately for optimal operation.
Q: When should I calibrate the instrument, and can calibration be done by the user?
A: The Laurent Half Shade Polarimeter is factory calibrated, ensuring accuracy when delivered. However, periodic calibration is recommended, especially after extensive use or tube changes. The user can easily perform recalibration following the provided instructions to maintain reliable measurements.
Q: Where is this polarimeter typically used?
A: This instrument is commonly used in chemical laboratories, sugar refineries, and educational institutions for research and demonstration purposes. Its well-suited for applications that require precise optical rotation measurements in sugar analysis, chemical assessment, and instructional settings.
Q: What are the benefits of the half-shade design in this polarimeter?
A: The half-shade design enhances the sensitivity and clarity of readings by creating a clear field difference when adjusting the analyzer. This ensures more accurate alignment and reading of optical rotation, particularly important for quantitative analyses such as in sugar determination.
Q: What materials are used in the construction of the polarimeter?
A: The Laurent Half Shade Polarimeter is constructed from high-grade brass and stainless steel, with optical glass components. Its body is finished in stoved/enamel paint for durability and resistance to laboratory conditions.