Kirchhoff Bunsen Spectroscope for Accurate Spectrum Observation
The Kirchhoff Bunsen Spectroscope allows for the precise observation of continuous spectrum, emission, and absorption spectral lines, illustrating the principles and construction of a spectroscope.
SKU:0201080310
- High-Quality Optical System: Delivers clear and accurate observations of spectral lines.
- Easy-to-Read Scale: Facilitates precise measurement of discrete atomic spectral lines.
Features
- Versatile Observation: Ideal for measuring and comparing emission and absorption spectra.
- Adjustable Aperture and Condenser: Ensure precise control and clarity.
- Flint Glass Prism: Provides high-quality dispersion for detailed analysis.
- Observation Tube: Movable with a locking screw and slideable eyepiece for easy adjustments.
Application
- Educational Demonstrations: Perfect for illustrating spectroscope construction and functionality.
- Spectral Analysis: Accurately observe and measure emission and absorption lines for scientific research and study.
Enhance your spectral observation capabilities with the Kirchhoff Bunsen Spectroscope, designed for precise and reliable measurements in educational and experimental settings.
Key Components
- Collimator: Includes an objective lens and adjustable narrow slit. Equipped with a right-angle prism and rotary plane mirror for dual-source light collection.
- Telescope: Features achromatic objectives and two interchangeable eyepieces (high power and low power). Mounted on a rotatable alidade for flexible observation.
- Dispersion Prism: Centralized on the supporting stage, with a 60° angle and >32 mm side length.
- Wavelength Calibrated Scale: Overlaps the spectrum pattern in the eyepiece for precise wavelength measurement.
Models and Specifications
- Wavelength Range: 400 ~ 800 nm
- Collimator Focal Length: Objective: 150 mm
- Telescope Focal Length: Objective: 150 mm; Eyepiece: 25 mm (low power), 12.5 mm (high power)
- Wavelength Calibration Tube: Objective focal length: 100 mm
- Minimum Graduation of Wavelength Scale:
- 400 – 500 nm: 2 nm
- 500 – 600 nm: 5 nm
- 600 – 700 nm: 10 nm
- 700 – 800 nm: 20 nm
- Resolving Power:
- Mercury doublet 577 nm and 579 nm (low-power eyepiece)
- Sodium doublet 589 nm and 589.6 nm (high-power eyepiece)
- Dispersion Power:
- Distance between 656.3 nm and 434 nm spectral lines of hydrogen atom: 9 mm at the focal plane
- Average line dispersion power: 24.7 nm/mm