Page 3 - Shimadzu GCMS-TQ8050 NX

Enhanced Sensitivity
System That Detects Ultra-Trace Concentrations Not Previously Possible

To maximize the benefits of the Off-Axis Ion Optics, the system newly features three noise reduction technologies and a detector with The newly designed high-sensitivity detector offers excellent
improved amplification performance. Due to these state-of-the-art technologies, the system can reliably detect ultra-trace reliability even for samples with femtogram-level concentrations
femtogram-level quantities of ions. The resulting exceptional analytical sensitivity and robustness increase the value of solutions and of trace components, achieving sub-femtogram IDL levels.
*
open the door to new applications. *IDL: Instrument Detection Limit
Quantifiable to
(×1,000)
femtogram
High-Efficiency Detector 5.0 2 fg OFN 8 times level
4.5
4.0 IDL: 0.36 fg GCMS-TQ8050 NX
The GCMS-TQ8050 NX detects peaks more reliably than GCMS-TQ8040 NX, even for substances with fewer ions reaching the
3.5
detector. That means it can reliably analyze femtogram-level concentrations with fewer ions. 3.0 GCMS-TQ8040 NX
2.5
2.0
1.5
GCMS-TQ8050 NX 1.0
0.5
3.800 3.825 3.850 3.875 3.900 3.925 3.950 3.975
fg/µL pg/µL

The superior data stability with the GCMS-TQ8050 NX provides sensitivity that rivals high-resolution GCMS analysis.
GCMS-TQ8040 NX This powerful new analytical instrument reliably identifies peaks even for trace quantities of dioxins and other substances previously
considered difficult to analyze using a quadrupole GCMS system.

6000 319.90 > 256.90 303.90 > 240.95
321.90 > 258.90 305.90 > 242.95
10000
OFF-AXIS Ion Optics Shielded Detector 5000
The OFF-AXIS Ion Optics eliminate noises such as Noise from outside the detector was reduced by installing a 4000 7500
metastable He ions without compromising sensitivity. shield in the secondary electron multiplier.
3000
5000
2000
2500
1000

21.0 22.0 20.0 20.5 21.0 21.5 22.0
Mass chromatogram of 2,3,7,8-TeCDD (50 fg/µL) Mass chromatogram of 2,3,7,8-TeCDF (50 fg/µL)

Overdrive Lens
Due to their tendency to resist degradation and remain inside organisms, the use of PFOS, PFOA, and other long-chain perfluorinated
Installing two lenses (overdrive lenses) in front of the electron multiplier reduces random noise from helium or argon and improves chemicals (PFCs) is increasingly being restricted. Because perfluorooctanesulfonamide and telomer alcohol have been identified as
S/N. Applying voltage to the lenses improves S/N levels by reducing noise near the lenses and helping to focus the ions that pass potentially breaking down to PFOS or PFOA, they have attracted attention as compounds that should be monitored in the
through the mass filter (Patent No. US6737644).
environment, which involves monitoring trace concentrations.

Ion detection signal
526.00>462.00 540.00>447.80 540.00>447.80
526.00>169.00 540.00>169.00 540.00>169.00
S/N ratio Sample
Noise
Noise

Overdrive lens Overdrive lens
Applied voltage (V) −1000 OFF ON
Relationship between voltage applied Noise reduction due to overdrive lenses
to overdrive lenses and S/N
4.75 5.00 5.25 5.00 5.25 5.00 5.25
Mass Chromatogram of N-Me-FOSE Mass Chromatogram of N-Et-FOSE N-Et-FOSE in Polyester Sportswear
(200 fg/µL concentration) (500 fg/µL concentration) (2.45 pg/µL quantitation value)

4 Gas Chromatograph Mass Spectrometer 5