NWSPEC
Educational Multifunctional Raman Spectrometer
Educational Multifunctional Raman Spectrometer
EduRaman Series
Educational Spectroscopy Platform: See the Invisible
Why EduRaman?
Traditional spectrometers hide the optical path inside a black box—students memorize theory without seeing how light actually behaves. The EduRaman series features an Open Optical-Path Design that exposes the laser beam, gratings, and detector. Students see exactly how Raman scattering, fluorescence, and absorption work, transforming abstract equations into visible physics.
Visible Optics
Open-path design shows beam travel and component interaction
Multi-Modal
Raman, fluorescence, absorption, reflectance in one platform
Safety First
Separated laser and detection regions; enclosed detector
Which Model Fits Your Curriculum?
Select the EduRaman for foundational Raman spectroscopy teaching. Choose the EduRaman Pro for advanced multi-technique courses and research preparation.
| If Your Need Is... | Choose | Key Capabilities |
|---|---|---|
| Introductory Raman spectroscopy Basic physical chemistry, molecular vibration theory |
EduRaman | 532 nm or 785 nm laser, 150-3900 cm⁻¹ range, 10 cm⁻¹ resolution. Covers all fundamental Raman experiments: peak identification, intensity vs. concentration, Stokes/anti-Stokes. Cooled detector (SNR >2000:1) ensures clear student data. |
| Advanced spectroscopy curriculum Multi-technique comparison, instrumental analysis, research methods |
EduRaman Pro | Adds fluorescence spectroscopy, visible absorption, and adjustable grating (1200 + 150 g/mm). Students compare Raman vs. fluorescence vs. absorption on the same sample. 6 cm⁻¹ resolution + 2 nm fluorescence resolution for quantitative analysis. |
| Research preparation & graduate training Instrumental methods, analytical research, method development |
EduRaman Pro | Adjustable grating teaches dispersion physics. Dual-grating system (1200 g/mm for Raman, 150 g/mm for fluorescence) mimics research-grade instruments. Students learn real-world method selection: which technique for which analyte? |
Technical Specifications Comparison
| Specification | EduRaman Pro | EduRaman |
|---|---|---|
| Raman Spectroscopy | Yes | Yes |
| Microscope Imaging | Yes | Yes |
| Visible Absorption | Yes | No |
| Fluorescence Spectroscopy | Yes | No |
| Adjustable Grating | Yes (1200 + 150 g/mm) | No (fixed 1200 g/mm) |
| Raman Resolution | 6 cm⁻¹ | 10 cm⁻¹ |
| Fluorescence Resolution | 2 nm | — |
| Spectral Range | 150-2400 cm⁻¹, 2400-4000 cm⁻¹, 450-950 nm | 150-3900 cm⁻¹ |
| Laser Options | 532 nm or 785 nm | 532 nm or 785 nm |
| Detector | Cooled to -15°C, SNR >2000:1 | Cooled to -15°C, SNR >2000:1 |
Curriculum-Aligned Teaching Experiments
Level 1: Principle Verification (Both Models)
Experiment
Students observe Raman scattering from CCl₄, CHCl₃, and water. Compare Stokes vs. anti-Stokes lines. Measure how laser power affects signal intensity.
Learning Outcome
Visual confirmation of molecular vibration theory. Understanding of selection rules, polarizability, and Boltzmann distribution from Stokes/anti-Stokes intensity ratios.
Open-Path Advantage: Students see the laser beam path, grating dispersion, and detector placement. Abstract "virtual states" become visible optical phenomena.
Level 2: Basic Applications (Both Models)
Experiment
Qualitative identification: distinguish diamond vs. moissanite vs. cubic zirconia. Quantitative analysis: create calibration curve for ethanol in water.
Learning Outcome
Molecular fingerprinting for identification. Beer-Lambert law verification for quantification. Understanding detection limits and linear dynamic range.
Real-World Connection: Gemstone identification demonstrates forensic and commercial applications. Students understand why Raman is preferred over destructive testing methods.
Level 3: Comprehensive Exploration (Pro Model Only)
Experiment
Multi-technique analysis of fluorescent dyes: Raman (vibrational structure), fluorescence (emission spectrum), absorption (electronic transitions). Compare sensitivity and selectivity of each technique.
Learning Outcome
Understanding complementary techniques. Method selection: Raman for non-fluorescent samples, fluorescence for trace analysis, absorption for concentration. Mimics real analytical laboratory workflows.
Adjustable Grating Teaching: Students manually switch between 1200 g/mm (high resolution, narrow range) and 150 g/mm (low resolution, wide range). Learn trade-offs in spectroscopic instrument design.
Real-World Applications for Student Projects
Forensic Science: Document Examination
Students analyze ink compositions on documents. Non-destructive Raman spectroscopy distinguishes original signatures from forgeries by comparing pigment spectra.
Skills: Evidence handling, non-destructive analysis, forensic report writing.
Food Safety: SERS Detection
Detect malachite green (banned aquaculture chemical) in water using Surface-Enhanced Raman Scattering (SERS). Students prepare silver nanoparticles and measure enhancement factors.
Skills: Nanoparticle synthesis, surface chemistry, trace analysis.
Pharmaceuticals: Drug Verification
Identify counterfeit medications by comparing Raman spectra to reference libraries. Students learn about polymorphism—same drug, different crystal forms, different spectra.
Skills: Spectral library searching, quality control, regulatory compliance.
Materials Science: Carbon Allotropes
Distinguish diamond, graphite, graphene, and carbon nanotubes by their characteristic Raman bands (G-band, D-band, 2D-band). Connect molecular structure to vibrational modes.
Skills: Materials characterization, nanotechnology, band theory.
Key Specifications & Teaching Impact
Open Optical-Path Design: See the Physics
The Specification
Exposed laser beam path, visible grating and mirrors, separated excitation and detection regions. Enclosed detector for safety.
Why It Matters
Students see exactly how light is directed, dispersed, and detected. Abstract equations (Rayleigh scattering, grating equation) become visible phenomena. Misalignment exercises teach optical alignment skills.
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GC Accessories
GC graphite/Vespel sealing gasket
GC injection port split septum
Syringe for GC
Capillary-column chromatography
Inlet Septa for Gas Chromatography
Chromatographic column
Frequently Asked Questions
How can I contact you?
Feel free to call us T+86 189-6516-4839
or email sales@nwspec.com to:
• Place an order
• Ask for a quote
• Or if you have any other questions
You will always get a live person here at NWSPEC; never an automated system!
We are open from 6:00AM - 7:00PM Eastern Time, Monday - Friday.
Where can I find application notes?
If you have any questions regarding the application notes, or can't find the one you are looking for, please contact Sales at sales@nwspec.com
Do you have instructional manuals for your instruments to download?
Yes, we have instructional manuals for our instruments. They can be found on https://nwspec.com/pages/resource .
If you don't see the one you are looking for, please contact: sales@nwspec.com