Infrared spectroscopy is a non-destructive analysis technique widely used in the field of jewelry and jade identification. It obtains specific absorption spectral information by measuring the interaction between materials and infrared radiation, thereby revealing the chemical composition and structural characteristics of the materials.
Infrared spectroscopy for jewelry and jade identificationIt is a non-destructive analysis technique widely used in the field of jewelry and jade identification. It obtains specific absorption spectral information by measuring the interaction between materials and infrared radiation, thereby revealing the chemical composition and structural characteristics of the materials.
In jewelry and jade identification, infrared spectroscopy can provide key information to help appraisers determine the type, authenticity, and processing of gemstones. Different gemstones and gemstones exhibit different absorption characteristics in infrared spectra, which are related to the chemical bonds and crystal structure present in the gemstones.
useInfrared spectroscopy for jewelry and jade identificationThe process usually involves the following steps:
1. Sample preparation: Prepare the jewelry or jade sample to be identified in a form suitable for infrared spectroscopy analysis, such as making thin films, powders, or solutions.
2. Spectral collection: Place the sample in an infrared spectrometer and measure the spectral changes after emitting infrared radiation and interacting with the sample. These spectral data can be represented as the relationship between absorption intensity and wavelength.
3. Data analysis: Compare the obtained infrared spectral data with known gemstone and jade spectral databases to find matching characteristic absorption peaks. The positions and shapes of these absorption peaks can provide important information about the composition and structure of the sample.
4. Interpretation of Results: Based on the analysis of infrared spectroscopy data, the appraiser can determine the gemstone type of the sample, possible processing conditions (such as heating, staining, etc.), and authenticity.
FTIR920 instrument completeness:
FTIR920 Fourier Transform Infrared Spectrometer Host, AC Power Adapter and Cable, USB Data Cable, Standard Calibration Piece, Color Changing Silicone (Desiccant), Quick Operation Guide, Supporting Chinese and English Application Software, Supporting Tools, etc
Optional accessories for FTIR920 instrument:
ATR accessories, specular reflection, diffuse reflection DRIFT、 Photoacoustic, liquid sampling, gas cell, gas cleaning system, water pressure or manual sampling, film making tools, sample grinding equipment, micro scale, rechargeable battery, polishing tool, polarizer, etc