· Elan 9000不帶動態(tài)反應(yīng)池,靈敏度提高;DRC-e和DRC-II均帶動態(tài)反應(yīng)池(DRC)技術(shù),DRC-e用CH4作為反應(yīng)氣,主要用在環(huán)境、食品等通用行業(yè),DRC-II用NH3作反應(yīng)氣,主要用在半導(dǎo)體行業(yè)。
· ELAN 9000/DRC-e的標(biāo)準(zhǔn)配置進(jìn)樣系統(tǒng)為耐腐蝕、高鹽的GemClean™的十字交叉霧化器和Ryton™ 高分子惰性材料的Scott雙通道霧化室,用HF等消解的土壤、地質(zhì)、環(huán)境、冶金樣品可以不經(jīng)過趕HF酸而直接進(jìn)樣分析。霧化器的使用壽命在3年以上。整個進(jìn)樣系統(tǒng)30秒內(nèi)清洗效率在1000倍以上。
· 兩個機(jī)械泵兩個分子渦輪泵,抽氣速率:>380L/min
· 四極桿調(diào)節(jié)分辨率:0.3~3amu,在同一方法中在線可調(diào)(AutoRes™),可在運(yùn)行中對不同離子選用不同分辨率(自動調(diào)節(jié)),擴(kuò)展分析濃度范圍和提高靈敏度。
· DRC技術(shù)可以使用H2,He,CH3,NH3,O2,N2O,CO2等氣體中的任何一種氣體。
· DRC技術(shù)消除干擾的能力優(yōu)于7個數(shù)量級。
· 化學(xué)分辨率>150,000,是可以消除87Sr-87Rb(分開兩離子需要的分辨率287,000),204Hg-204Pb(450,000)等干擾的技術(shù)。
· 分析107Ag/109Ag 的同位素比分析精密度優(yōu)于<0.08%RSD的技術(shù)。
· 線性范圍:9個數(shù)量級。
This unit was pulled from a working environment. The condition is very good - very clean and well maintained. Specifications Dimensions (w x d x h in cm) 99 x 73 x 117 Mass filter Quadrupole; binary gold metallized ceramic, producing hyperbolic field Detector dual stage discrete dynode electron multiplier (off-axis) Dynamic range (orders of magnitude) 8 in a single continuous scan; simultaneous analog and pulse counting Abundance sensitivity 107 at 1 amu higher mass side; 106 at 1 amu lower mass side Background level < 10 cps Scanning rate 2400 amu/s Vacuum system 3 stages: 1 rotary pump, 2 turbomolecular pumps backed by 1 rotary pump ICP generator free-running Frequency (MHz) 40.68 Power (Watt) 700-1800 Load coil Ar-cooled PlasmaLok coil Torch injector demountable (available in various materials and inner diameter) Argon flow (L/min) Sample introduction 2-channel peristaltic pump; Ryton Scott-type spraychamber; Gem-tip cross-flow nebulizer Operating system and Windows NT software Short term precision (RSD for 10 replicates) < 3% Long term precision (RSD for 4 hours) < 4% Sensitivity (Mcps/ppm) > 30 In, > 25 U, >4 Mg Detection limits (3s, ng/L) < 0.5 U and In, < 2 Co, < 15 Be Isotope ratio precision (RSD for Ag-107/Ag-109) < 0.2% Doubly charged Ba ions < 0.03 Ce Oxide ions < 0.03 Accessories/Options USN, FI, laser ablation, ETV, hydride generator MAK110