Analytical Instrument Documents

Dioxins analysis in fly ash samples by using GC/MS/MS
Dioxins analysis in fly ash samples by using GC/MS/MS

In this application note, we report the measurement result of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) in fly ash sample by using a gas chromatograph triple quadrupole mass spectrometer JMS-TQ4000GC (Figure 1). In addition, the obtained measurement results were compared with those of GC/HRMS JMS-800D.

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Isomers identification of pyrolysis products of polymers by pyrolysis GC/MS/MS
Isomers identification of pyrolysis products of polymers by pyrolysis GC/MS/MS

In this application note, we report the identification of structural isomers of ASS, SSA and SAS observed from the pyrolysis of ABS resin using product ion scan measurement with the GC triple quadrupole mass spectrometer JMS-TQ4000GC (Figure 1).

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Combining JMS-S3000
Combining JMS-S3000 "SpiralTOF™-plus3.0" and size exclusion chromatography to analyze the end groups of high dispersity synthetic polymers and visualizing changes in the end groups

In this report, we performed an end-group analysis of polymer samples with a high polydispersity and molecular weight of less than 50,000 by combining SEC and high-performance MALDI-TOFMS. In particular, we report on (i) improvement of the efficiency of fractionation by SEC and pretreatment for MALDI-TOFMS measurement, (ii) improvement of visualization of end group changes in mass spectra of SEC fractionated samples with reduced polydispersity, (iii) End group analysis in the high molecular weight region (molecular weight 10,000 to 20,000).

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Simultaneous analysis of pesticide residues by GC-MS/MS method using Nitrogen carrier gas
Simultaneous analysis of pesticide residues by GC-MS/MS method using Nitrogen carrier gas

This report introduces an example of analysis using Nitrogen carrier gas for the simultaneous analysis of pesticide residues in food by GC-MS/MS method.

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Evaluation of Asphaltene Products by Mass Spectrometry using Catalytic Pyrolysis
Evaluation of Asphaltene Products by Mass Spectrometry using Catalytic Pyrolysis

Catalytic pyrolysis is attracting attention as a means to increase the yield of valuable compounds while reducing coke formation. Also, pyrolysis-gas chromatography-high resolution time-of-flight mass spectrometry (PY/GC/HRTOFMS) system is an effective tool for qualitative analysis of pyrolytic products. In this work, we evaluated the effect of HZSM-5 catalyst on degraded products of asphaltene using PY/GC/HRTOFMS.

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Structure Analysis of Polymer Pyrolyzate by Pyrolysis GC-TOFMS and AI -A Case Study of AI Library Containing in silico Pyrolyzate
Structure Analysis of Polymer Pyrolyzate by Pyrolysis GC-TOFMS and AI -A Case Study of AI Library Containing in silico Pyrolyzate

In this MSTips, we report a case study of analysis using the AI library including in silico pyrolyzates equipped with msFineAnalysis AI ver. 2.

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Mass imaging of strawberry using the JMS-S3000 “SpiralTOF™-plus3.0” and transfer plate Poropare™
Mass imaging of strawberry using the JMS-S3000 “SpiralTOF™-plus3.0” and transfer plate Poropare™

Using a Poropare™, we investigated MSI measurement of components inside strawberries, which are generally challenging to make tissue sections for mass imaging. Although the transfer plate has a large uneven structure due to the transfer function, it was found that by combining it with the SpiralTOF™-plus3.0, which has a long flight distance, mass imaging with high resolution and high mass accuracy is possible even in the low molecular weight region.

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Simultaneous Analysis of TBBPA, Phthalate Esters, and Brominated Flame Retardants by PY/TD-GC-MS
Simultaneous Analysis of TBBPA, Phthalate Esters, and Brominated Flame Retardants by PY/TD-GC-MS

In this study, we tried to simultaneously analyze TBBPA, Phthalate esters and DecaBDE by TD-GC-MS method using the JMS-Q1600GC UltraQuad™ SQ-Zeta.

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Differential Analysis of Aroma Compounds in Red Wines from Different Regions Using GC-O-TOFMS
Differential Analysis of Aroma Compounds in Red Wines from Different Regions Using GC-O-TOFMS

In this MSTips, we report on the measurement of aroma components in red wine using GC-O-TOFMS with headspace solid-phase microextraction (HS-SPME), along with the analysis results obtained using msFineAnalysis AI.

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High-Resolution MALDI-TOFMS Measurement and KMD Analysis for Visualization of Polymers Fractionated by Reversed-Phase LC
High-Resolution MALDI-TOFMS Measurement and KMD Analysis for Visualization of Polymers Fractionated by Reversed-Phase LC

In this study, we investigated the visualization of information obtained from high-resolution MALDI-TOFMS measurements of polymer fractions collected via reversed-phase LC, using Kendrick Mass Defect (KMD) plots. The analysis focused on the following two aspects: (1) Comparison of KMD plots before and after fractionation, and (2) Effect of different fractionation intervals (30 second / 15 second) on the visualization in KMD plots.

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