A laboratory facility equipped with cutting-edge instrumentation and staffed by qualified gemologists and materials scientists. This laboratory specializes in the scientific examination of gemstones and precious metals, offering high-precision services such as gemstone identification, origin determination, detection of treatments & enhancements, quality grading, metal purity testing, authentication of finished jewellery.
UV-Vis Spectroscopy
- A double-beam UV-Visible spectrophotometer
- Spectra Analysis
- Quantitative Analysis of materials
- Wavelength Range: 187 to 900 nm Resolution: Inquire
FTIR (Fourier Transform Infrared) Spectroscopy
- Detect diamond types and some of its treatments
- Detect treatment in gemstones (Ex: Sapphire heat treatment)
- Detect fillers in gemstones
- Differentiate between certain natural and synthetic gems
- High precision interferometer with 1, 2, 4, 8, 16 and 32cm⁻¹ resolutions
- Range: ~400-7000 cm⁻¹
X-Ray Fluorescence (XRF) Spectroscopy
- Analyze from Sodium (Na) through Uranium (92 U)
- Non-destructive elemental analysis
- Quantify solids, slurries, liquids, powders and coatings
- Polarized excitation delivers lower detection limits
- Analysis in air, helium or vacuum
- Advanced novel treatment of peak overlap reduces errors
Raman Spectroscopy
- Range: ~300-4700 cm⁻¹
- Resolution: 11 cm⁻¹ FWHM
- Gemstone Identification
- Detection of Gemstone Treatments
- Characterization of Inclusions and Defects
- Origin Determination Synthetic and Imitation
- Gemstone Detection Forensic Analysis
Nuclear Detection and Measuring Instrument
- Alpha, Beta and Gamma detection
- Radiation exposure rate
- Counting statistics
- GM probe characteristics
- Optimum HV selection
- Half value thicknesses
- Dead-time calculation
- Back scattering
- Effects of shielding
Laser Diffraction Particle Size Analyzer
- Measures particle size distributions of non metallic, metallic, and other powders
- Size Range: 0.02-2000 µm
- Sample Inflow Method: Built-in automatic circulating and dispersing system
- Repeatability: <1% (CRM D50)
- Accuracy: <1% (CRM D50)
