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Electron Multipliers for Mass Spectrometry An electron multiplier is used to detect the presence of ion signals emerging from the mass analyzer of a mass spectrometer. It is essentially ...

Restek Sampling Equipment Helps Assure Accurate Data By Irene DeGraff, Air Monitoring Product Marketing Manager One of the most widely used methods for ambient air monitoring, USEPA TO-15, ...

Enhancing Air Monitoring Methods with Thermal Desorption By Liz Woolfenden, Director, Markes International, UK. Accurately monitor down to ppb/ppt levels. Use thermal desorption tubes for either ...