HOME : Shimadzu (United Kingdom) Single Quadrupole GC-MS. The next-generation GCMS-QP2050 gas chromatograph mass spectrometer, with its accumulation of impressive Shimadzu technology, will lead the … Single Quadrupole GC-MS. The next-generation GCMS-QP2050 gas chromatograph mass spectrometer, with its accumulation of impressive Shimadzu technology, will lead the …