布鲁克系列6OilQuant定量分析曲线包.ppt

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1、 Folie.1 2001 Bruker AXS All Rights ReservedOilQuant 定量分析曲定量分析曲线包包for S4 EXPLORER and SRS 3400n 油品中油品中24个元素的定量分析个元素的定量分析n 也可以用于固体燃料、塑料、聚合物等也可以用于固体燃料、塑料、聚合物等样品品 OilQuant.2 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuant 直接液体直接液体样品分析品分析nliquid samples can be analysed directly in plastic cups w

2、ith a thin window of polypropylene,prolene,mylar or similar foils at the bottomnthe sample area in the spectrometer cannot be evacuated,so this area or the whole spectrometer have to be flushed with Heliumnfoil and He absorb the radiation of the ultra-light elements OilQuant.3 2001 Bruker AXS All Ri

3、ghts ReservedS4 EXPLORER-OilQuantn使用多套使用多套标准准样品品绘制校准曲制校准曲线n样品制品制备n 7.0g 样品放入液体杯中品放入液体杯中(外径外径 4.0cm,内径内径 3.5cm),4m Prolene 或或 2.5m 聚脂膜作杯底聚脂膜作杯底n测量条件量条件n激激发:Rh 靶靶,1000Wn准直器准直器:0.23,0.46n晶体晶体:LiF(200),PET,OVO-55n探探测器器:Pro4 封封闭正比正比计数器、数器、闪烁计数器数器 n测量量时间:自自动:峰峰值和背景分和背景分别测量量25秒或秒或统计误差差 3s s 1%n 校准曲校准曲线n使用使

4、用SPECTRAplus 软件包中的件包中的变动 系数法系数法 OilQuant.4 2001 Bruker AXS All Rights Reserved XRF:direct Analysis of Liquid Samples Element Range:Na-U OilQuant.5 2001 Bruker AXS All Rights ReservedOilQuant:optimized for defined preparation nsample:7,0 0,1 g oil in a liquid cup(inner diameter 3,5cm,7KP1901-8FA)with

5、 the following foils4m Prolene(7KP1901-8BG)for oils and diesel and 2.5m Mylar(7KP1901-8BR)for gasoline and super gasoline OilQuant.6 2001 Bruker AXS All Rights ReservedS4 EXPLORER:氦气冲洗氦气冲洗 及及 真空封档真空封档n 减少了氦气消耗n 模式间快速切换(VAC/He/VAC)n 保护准直器及晶体n 氦气光路短吸收少，其它部件在真空中，分析精度高 OilQuant.7 2001 Bruker AXS All Rig

6、hts ReservedOilQuant&S4 EXPLORER n2 种氦气使用模式种氦气使用模式:40 l/hn常压:n高挥发性油品n减压（节约氦气模式）:20 l/hn挥发性低的油品 OilQuant.8 2001 Bruker AXS All Rights Reserved XRF:direct measurement of liquids-OilQuant元素范元素范围 OilQuant.9 2001 Bruker AXS All Rights ReservedS4 EXPLORER:Parameter-Definitions OilQuant.10 2001 Bruker AXS

7、All Rights ReservedS4 EXPLORER-OilQuantCalibration:V in Oil:0-500 g/g OilQuant.11 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuantCalibration:V in Oil:0-500 g/g OilQuant.12 2001 Bruker AXS All Rights ReservedS4 EXPLORER:Calibration and LLDs for Traces in Oils OilQuant.13 2001 Bruker AXS All R

8、ights ReservedS4 EXPLORER:Calibration and LLDs for Traces in Oils OilQuant.14 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuantSpecialized:Ferrocen in Diesel Fuel OilQuant.15 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuant,for example:Ferrocen in diesel fuel OilQuant.16 2001 Bruker AXS

9、 All Rights ReservedS4 EXPLORER-OilQuant,for example:S in gasoline OilQuant.17 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuantSpecialized:S in Gasoline OilQuant.18 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuant,for example:Chlorine in Oils OilQuant.19 2001 Bruker AXS All Rights Rese

10、rvedS4 EXPLORER-OilQuant,for example:Chlorine in Oils OilQuant.20 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuant,for example:Mg in Oil:0-900 ppm OilQuant.21 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuant,for example:Mg in Oil:0-900 ppm OilQuant.22 2001 Bruker AXS All Rights Reserve

11、dS4 EXPLORER-OilQuant:influence of different preparationspreparation parameters:ninner diameter of disposable liquid cup(to be constant)nfoil material to be used dependng onnacceptable absorption of foilnmeasuring timenchemical resistivity of foil(depending on type of liquid,acids,solvents,etc.)nfil

12、ling height resp.sample mass(for hydrocarbon materials the theoretically useable layer thickness can be up to several cm,therefore the difference to the infinite“thickness has to be considered)OilQuant.23 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuant:analysed thickness OilQuant.24 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuant:correction of foil contaminants OilQuant.25 2001 Bruker AXS All Rights ReservedS4 EXPLORER-OilQuantinfluence of different filling heights