Page 19 - Shimadzu GCMS-TQ8040 NX

Configure Optimal Analysis Systems to

Meet Your Needs

For GC-MS/MS analysis, different system configurations may be required depending on the application and sample-introduction AOC-6000 Plus
needs. The GCMS-TQ8040 NX offers a wide variety of system configurations and sample-introduction devices to enable an Multifunctional Autosampler System
expanded range of applications.
The AOC-6000 Plus supports three sample injection methods:
Smart EI/CI Ion Source Easily Switches Between EI and CI Methods liquid sample injection, headspace (HS) injection, and solid
phase micro extraction (SPME) injection, so samples in a
The Smart EI/CI ion source has been developed in order to acquire CI data without switching the ion source, and without losing variety of forms can be analyzed. It allows the sample
the sensitivity of EI, which is most commonly used. injection method to be switched automatically, enabling SPME Injection
Even when it is difficult to perform identification with the EI mode using the mass spectral library, molecular weight information different sample injection methods to be combined in a
can be obtained from CI data, thus helping in the estimation of unknown compounds.
continuous operation.
% % With the automatic syringe exchange and vial mixing
100 EI 86 100 CI 236 function, standard samples can be prepared automatically
with a variety of dilution levels, and everything from the
Exchange of
ion source creation of calibration curves to the quantitative
50 unnecessary 50 2-Methylisoborneol
determination of unknown samples can be fully automated. (Concentration: 1 ng/L)
86
44
65 121 149 149 188 218
0 0
50 100 150 200 250 50 100 150 200 250
Confirmation of Mass Spectra Smart EI/CI ion source Confirmation of Molecular Weight Information
HS-20 NX Headspace Analysis System
SMCI Unit % The HS-20 NX headspace sampler provides strong backup for
100 149
SMCI (Solvent Mediated Chemical Ionization) is a soft ionization the analysis of volatile components at every stage from
method for GCMS. The headspace reagent gas from the sample bottle 75 research to quality control departments. The high-sensitivity
is introduced into the GCMS ionization unit to be ionized, which then electronic cooling trap enables quantitative and qualitative
50 167
causes chemical ionization (CI) of the target molecule via protonation.* determination of trace components that cannot be detected
Previous CI methods have required the use of flammable reagent gas 25 57 113 with a conventional headspace sampler.
112 279
cylinders, but SMCI can be carried out with a general organic solvent such 207 261 327 351377 430 480 The HS-20 NX transfer line is built into the GC unit, which
00 makes it easy to combine the HS-20 with the AOC-20 liquid
as methanol or acetonitrile, together with nitrogen or argon gas. This 100 200 300 400 500
results in greater safety and lower running costs. % sample injector, as well as to switch between these units.
100 391
75
50
279 OPTIC-4 Multimode Sample Inlet System
25
261
120 165 224 299 327 372 The OPTIC-4 multimode sample inlet is a GC injection port
SMCI unit＋GCMS-TQ8040 NX 00
100 200 300 400 that enables a variety of sample injection modes for GC-MS,
SMCI can obtain the same results as previously-existing CI methods, The mass spectrum of bis(2-ethylhexyl) including large-quantity injection, inlet derivatization, thermal
but is less dependent on the compound. For example, it has been phthalate (MW=390) obtained using different desorption, and DMI (difficult matrix introduction).
difficult to verify the molecular weight of phthalate esters using EI or ionization methods Combining this with an autosampler enables automatic
previously-existing CI method, whereas SMCI can identify the replacement of inserts, improving productivity in multisample
quasi-molecular ions. analyses.
%
DI-2010 Direct Inlet System 100 EI 158
Direct sample injection (DI) is a method in which a sample is 75 TD-30 Thermal Desorption System
injected directly into the ion source without passing through the
50 116
gas chromatograph (GC). This is an effective method for 98 Thermal desorption systems heat samples in a sample tube
25
measuring the mass spectra of synthetic compounds, and can be 59 and then concentrate the thermally desorbed gases before
216 398 520 662 763
used easily with a typical GC-MS configuration. By using this in 0 injection into a GC-MS. They are commonly used to measure
combination with Smart EI/CI ion source, EI and CI mass spectra % 250 500 750 volatile organic compounds (VOCs) in the atmosphere or
can easily be collected. CI 158 679 measure trace components that are generated from plastic or
100 M+H +
838 other samples.
75
The TD-30R can accommodate 120 samples for excellent
116
50 processing capacity and offers outstanding expandability, such
Components that are thermally degradable
25 174 as functionality for retrapping components or for
or difficult to vaporize are not suited to GC 254 398 558 662 731
0 automatically adding an internal standard substance.
analysis. However, their mass spectra can
250 500 750
be obtained easily using the DI probe. Mass Spectrum for Antibiotic Roxithromycin
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