瓦里安系列19-瓦里安光譜類(lèi)產(chǎn)品icpvistampx(-文庫(kù)吧資料
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【正文】 u Optical Spectroscopy Instruments 28動(dòng)態(tài)線性范圍Optical Spectroscopy Instruments 29EchellogramVista MPXOptical Spectroscopy Instruments 30Stability in 20% NaCl solutionOptical Spectroscopy Instruments 31Analytical Throughputv USEPA 22 elements to required detection limitsq kW, 30 second replicate read time, 2 replicates, 15 L/min plasma gas, L/min auxiliary, L/min, 50 seconds rinse, 80 seconds uptake timev Linear concentration range CRDL up to ~ 600 ppmv Vista MPX a sample ~ every 5 minutesq Vista Pro a sample every minutes1 q Scanning sequential ICPOES a sample every 18 minutes2 1. Varian Instrument at Work 29 “A plete method for environmental samples by simultaneous axially viewed ICPAES following USEPA guidelines” Scott Bridger and Mike Knowles. Varian Australia Pty Ltd2. ICP Optical Emission Application Note “ILM05 CLP analysis for 22 elements with the Optima 2023 DV ICPOES” Michael Duffy, PerkinElmer Instruments, 701 Main Avenue Norwalk CT.Optical Spectroscopy Instruments 32CRM SoilA土壤材料中主含量和恒量元素分析Element Measured Certified*mg/L mg/L Ni V 1 340 350 198 200K 210 200 70Mg 67 65* High Purity Standard Co.Optical Spectroscopy Instruments 33CRMRSA河泥材料主恒量元素分析Element Measured Certified*mg/L mg/L Ni 15 289 300 290 300 1209 1200K 128 125 58 55Mg 76 75*High Purity Standard Co.Optical Spectroscopy Instruments 34功能強(qiáng)大、使用方便的工作站系統(tǒng) －－光譜分析的專(zhuān)家v Win95/98/2023/NT操作平臺(tái)，界面友好；可在測(cè)定過(guò)程中，進(jìn)行數(shù)據(jù)處理、方法編制和結(jié)果分析等，是真正的多任務(wù)工作軟件。 較高的工作頻率可產(chǎn)生高強(qiáng)度的等離子體，形成的尾焰厚度小，這樣的等離子體自吸較少，因此有較寬的線性動(dòng)態(tài)范圍 射頻發(fā)生器通過(guò)電磁耦合把能量傳給氬的等離子體 ?！腹鈱W(xué)儀器 」， 1993年第一期Optical Spectroscopy Instruments 13Instrumentation for Optical Emission SpectroscopyTable A. Comparison Between the Minimum Detectable Signals of PDA, ISPDA, CID, PMT, and CCDMinimum detectable signal(S/N=2), photon/S/detector elementaquisition PDA ISPDA CID PMT CCD _ time(s) UV VIS UV VIS UV VIS UV VIS UV VIS 10 671 363 32 53 41 32 26 100 112 62 10 17 Table Parameters Used in Caculating the Minimum Detactable SignalParameter PDA ISPDA CID PMT CCDQE at 600nm 73% 6% 37% 5% 84%QE at 300nm 40% 10% 19% 21% 50%Dark count rate 36000 4000
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