Page 12 - GC-2050

Best-in-Class Performance Environmental

Fast analysis of Total Petroleum Hydrocarbon (TPH)
Area
using H 2 carrier gas with dual injectors
7500000 R 2 =0.9999
Despite its compact body, the Brevis GC-2050 is capable 5000000
Outstanding Analytical Reproducibility of simultaneous dual-line analysis. In this example,
2500000
dual-line, high-speed TPH analysis was performed to
The Brevis GC-2050 provides best-in-class analytical precision. The latest auto-injector, AOC-30i, enables continuous maximize analytical throughput with a single GC. 0 0 250 500 750 1000
Concentraion (µg/mL)
analysis with a high level of precision that cannot be achieved with manual operation. In addition, the flow controller
Calibration curve of Mineral Oil.
(AFC) with a built-in CPU supports constant linear velocity, constant flow rate, and constant pressure control of
carrier gas to achieve outstanding analytical reproducibility with ultra-high speed and ultra-precise control. C10

Analytes Area RSD(%) Rt RSD(%) Rt ( min)
n-decane 0.209 0.005 0.0001 C20
C30 C40
n-octyl alcohol 0.211 0.006 0.0002
2,6-Dimethyl phenol 0.232 0.006 0.0002
n-undecane 0.211 0.007 0.0002
2,6-Dimethyl aniline 0.230 0.007 0.0003
0.0 1.0 2.0 3.0 4.0 5.0 min 0.0 1.0 2.0 3.0 4.0 5.0 min
methyl n-nonanoate 0.249 0.007 0.0003
methyl n-caprate 0.274 0.006 0.0003 Chromatogram of n-alkane mixture samples Overlaid chromatograms of QC standard solutions
methyl n-laurate 0.278 0.006 0.0003
dicyclohexylamine 0.253 0.006 0.0004
Continuous analysis of the Grob Test Mixture

Application examples Brevis GC-2050 enables analysis with He as the carrier gas and with Chemical
alternative carrier gases, N 2 and H2.
Analysis of residual organic solvents in packaging
materials using N 2 carrier gas with and the
Pharmaceutical
HS-20 NX headspace sampler
Residual solvent analysis in pharmaceuticals according to USP <467> using H 2 carrier gas
The headspace GC method is effective for analysis of
Shown here are the results from an analysis of a standard solution for operating method A (water-soluble samples). residual organic solvents in packaging materials, which
In the analysis of carbon tetrachloride, which requires sensitivity confirmation, against residual solvents in Class 1, a are solid samples, and providing high sensitivity and
good S/N ratio was achieved. Furthermore, excellent separation analysis is possible for Methyl Isobutyl Ketone reliability.
(MIBK), which has been added to the Class 2 list.
34 5 6 7 8 26 10 12 13
4
Class 1 Class 2 23
25 11 14 15 8
4 5 7 8 11
4 7
1
2 16 20 22 11 Ethyl
acetate Methanol i-Propanol Ethanol n-Propanol
Data 1: Packaging material A
5
5 Packaging
1 0.056 0.14 0.107 0.042 0.087
2 18 material A
3 9 Data 2: Material B
Class2A Material B 0.253 0.032
19 21
Class2B 17
3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 min Data 3: Material C Material C 0.08
TBA, CPME 24
MiBK 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 min
1 1,1-Dichloroethane 4 Benzene Data 4: Material D Material D 0.01
2 1,1,1-Trichloroethane 5 1,2-Dichloroethane 1 Methanol 7 Cyclohexane 13 m,p-Xylene 19 1,2-Dimethoxyethane 25 Cyclopentylmethyl ethe Material E
2 Acetonitrile 8 Methyl cyclohexane3 14 o-Xylene 20 Trichloroethene (CPME)
3 Carbon tetrachloride 3 Methylene chloride (DCM) 9 1,4-Dioxane 15 Cumene 21 Pyridine 26 Methyl isobutyl ketone Data 5: Material E
4 trans-1,2-Dichloroethylene 10 Toluene 16 Hexane 22 Methyl butyl ketone (MiBK)
5 cis-1,2-Dichloroethylene 11 Chlorobenzene 17 Nitromethane 23 Tetraline
2
S/N(CCl4): ≥10 6 Tetrahydrofuran 12 Ethylbenzene 18 Chloroform 24 tert-Butyl alcohol (TBA) 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 min Quantification results (mg/m )
12 13