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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 |
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