Glow Discharge Spectrometer
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| Brand | AECC (Aviation Engine Corporation of China) |
|---|---|
| Origin | Beijing, China |
| Model | LPG-2000 |
| Light Source | DC-pulsed hollow cathode discharge (low-pressure) |
| Optical Chamber | Evacuated vacuum chamber |
| Wavelength Range | 170–430 nm |
| Grating | Holographic concave grating, focal length 750 mm, 2400 grooves/mm |
| Spectral Resolution | < 0.024 nm |
| Detector | Hamamatsu high-sensitivity, low-noise photomultiplier tube (PMT) |
| Elemental Coverage | Ag, As, Au, B, Ba, Be, Bi, Ca, Cd, Ce, Cu, Ga, Ge, Hg, In, La, Mg, Mn, P, Pb, Pd, Pt, Rh, Ru, Sb, Se, Si, Sn, Sr, Te, Tl, Y, Zn, Zr (including sub-190 nm lines for B and P) |
| Detection Limits | 1×10⁻⁵% to 1×10⁻⁷% (e.g., Bi ≤ 0.00001%, As ≤ 0.0005%, P ≤ 0.001%, B ≤ 0.001%) |
| Precision | RSD < 20% for 10 replicate excitations on homogeneous samples |
| Temperature Control | Thermostabilized optical chamber, ±0.1 °C stability |
| Brand | HORIBA |
|---|---|
| Origin | France |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | GD Profiler 2 |
| Pricing | Available Upon Request |
| Brand | LECO |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | GDS-850 |
| Pricing | Upon Request |
| Brand | SPECTRUMA |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | GDA 650 / GDA 150 |
| Pricing | Available Upon Request |
| Brand | SPECTRUMA |
|---|---|
| Origin | Germany |
| Model | GDA 750 / GDA 550 |
| Detection Principle | Glow Discharge Optical Emission Spectroscopy (GD-OES) |
| Spectral Range | 190–800 nm (standard PMT system) |
| Spectral Resolution | <20 pm FWHM (PMT) |
| Optical System | Paschen-Runge mount, 750 mm focal length, holographically ruled grating (2400 lines/mm) |
| Max. Analytical Depth | >200 µm |
| Depth Resolution | ≤1 nm |
| Elemental Coverage | H, O, N, Cl, C, and all elements from Li to U |
| Detection Limits | Sub-ppm (matrix-dependent) |
| Sputter Diameter | 1–8 mm (adjustable, same source) |
| DC Source | Up to 1500 V, 250 mA, fully programmable |
| RF Source | Up to 150 W, pulsed mode optional (GDA 750 only) |
| Sample Thickness Range | 50 µm – 45 mm |
| Vacuum System | Dual-stage rotary vane pump (<50 dB), oil-free pump for source chamber |
| Optional Accessories | High-resolution CCD optical system, RF pulse generator, load-lock transfer chamber, 100-position autosampler, monochromator with triple-grating turret |
| Brand | SPECTRUMA |
|---|---|
| Country of Origin | Germany |
| Model | GDA 750 / GDA 550 |
| Optical Resolution | <20 pm (FWHM) |
| Spectral Range | 190–800 nm (PMT), 200–800 nm (CCD option) |
| Maximum Analysis Depth | >200 µm |
| Depth Resolution | ≤1 nm |
| Detection Limits | Sub-ppm |
| Excitation Source | DC (0–1500 V, 0–250 mA), RF (up to 150 W, pulsed mode optional for GDA 750) |
| Sample Diameter Range | 1–8 mm |
| Vacuum System | Dual-stage rotary vane pump (oil-free for source), optional turbomolecular pump |
| Software Platform | WinGDOES (Windows XP or later) |
| Weight | ~580 kg |
| Dimensions | 1380 × 1440 × 890 mm |
| Brand | SPECTRUMA |
|---|---|
| Origin | Germany |
| Model | GDA 750 HR |
| Detection Range | H–U (76 elements) |
| Detection Limit | sub-ppm level |
| Depth Resolution | nanometer-scale to several hundred micrometers |
| Quantitative Precision | RSD < 2% (content), RSD < 5% (depth) |
| Sample Types | conductive & non-conductive solids (flat, curved, thin-film, air-sensitive layers) |
| Compliance | ISO/IEC 17025-ready architecture, GLP-compatible data handling |
| Brand | SPECTRUMA |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GDA Alpha |
| Pricing | Upon Request |
| Brand | SPECTRUMA |
|---|---|
| Origin | Germany |
| Model | GDA150 HR |
| Detector Type | Thermally Stabilized CCD |
| Light Element Capability | C, N, H (O optional) |
| Sample Type | Conductive solids only |
| Application Scope | Depth profiling, surface diffusion analysis, coating & plating evaluation, hard coating characterization |