Application of a Second Generation Microwave （第二代微波的应用程序）.pdfVIP

Application of a Second Generation Microwave Plasma Atomic Emission Spectrometer (MP-AES) in the Analysis of Food Samples Steven Pang Agilent Technologies, Singapore th 14 April 2014 Confidentiality Label July 9, 2014 1 Agenda • Change is in the air • How does the 4200 MP-AES work? • Technology inclusions • Key Benefits • Ease of Use benefits over FAAS • Instrument and analytical performance • Analysis of Food Samples • Summary 2 Introducing the Agilent 4200 MP-AES The 4200 MP-AES is the second generation of proven MP-AES technology. The 4200 offers safe, cost effective elemental analysis, and expands the application range of MP-AES. 3 Microwave Plasma Emission Overview Ground State Excited State Emission Monochromator Quantitation Detector Microwave excited Plasma Sample Page 4 How does the MP-AES work? • 4200 MP-AES runs from Nitrogen extracted from air using Agilent 4107 nitrogen generator • Axial magnetic and radial electrical fields generated by a magnetron sustain the nitrogen plasma • Sample aerosol is introduced into nitrogen plasma. 5 How does the MP-AES work? • Axial emission from the nitrogen plasma is directed into the fast scanning monochromator optics • Wavelength specific emissions are detected using a high efficiency CCD. 6 Introducing the Second Generation Agilent 4200 MP-AES Optimized, second generation plasma s