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    DETERMINATION OF TRACE ELEMENT IN TWO ULTRAMAFIC ROCK STANDARD SAMPLES dzΣ-1 AND DZΣ-2 BY NEUTRON ACTIVATION ANALYSIS
    两个超铁镁岩石标样DZ∑-1,DZ∑-2的微量元素中子活化分析
    Separate Determination of σ,M_(23)C_6 and other Phases in Nickel-Base Super Alloy(K_(23))——Group Separation by Chemical Method and Quantitative X-ray Diffraction Without Standard Samples
    K23镍基高温合金中σ、M_(23)C_6等相的态别定量—化学分组分离联合无标样衍射定量法
    X-RAY FLUORESCENCE ANALYSIS OF MULTICOMPONENT ALLOYS WITHOUT USING STANDARD SAMPLES
    多元合金的无标样能量色散X射线荧光分析
    Determination of Pb and Cu and Sn in Ancient Bronze Coins Using X-ray Fluorescence Simulant Standard Samples Method
    X射线荧光光谱模拟标样法测定古代青铜钱币中的铅铜锡
    DEVELOPMENT OF Fe-C ALLOY STANDARD SAMPLES FOR EPMA
    电子探针分析用标样——Fe-C合金标样组的研制
    Calculation of Quantitative Phase Analysis by X-Ray Diffraction Without Standard Samples
    无标样XRD定量相分析的计算
    Method of Extended Quantitative Phase Analysis Without Standard Samples by Microcomputer
    扩展的无标样定量相分析的微机处理方法
    The analytical method determining the content of PdO和La2O3 in Al2O3 with x-ray fluorescence spectrometry is developed,using artificial synthesis standard samples prepared by ultrasonic wave disperse,powder pressed method to prepare samples and empirical coefficient method combined with scatter line as internal to correct the matrix effect.
    用X荧光光谱法准确测定氧化铝中PdO和La2O3的含量,采用超声波分散人工合成标样,粉末压片法制样,经验系数法与散射线内标法校正基体效应.
    Application and Study on Analytical Methods for Trace Elements in Soil and the Review of Certification of Environmental and Geochemical Soil Standard Samples
    土壤中多种微量元素的分析方法应用研究与环境及地球化学土壤标样定值的评述
    Application of Spectrometric Analysis Curves Established with Combined Standard Samples and Interference Correction Technique
    组合标样在光电光谱分析曲线建立的应用及干扰校正技术
    Chemical analysis method is used to determine the concentrations of Al and Cu of the testing standard samples while the concentration of base element Zn is calculated by the normalization method. The concentration range of Al, Cu and Zn are 24.720 ~ 31.113% , 1.340 ~ 5.710%, and 67.070 ~ 69.570% respectively.
    利用化学分析法对试验标样中分析元素Al、Cu的含量进行了标定,其浓度范围分别为Al:24.720~31.113%,Cu:1.340~5.710%。 基体Zn的浓度则通过归一法求得。
    The standard samples used in this paper are NBS 461, 463,466, 468. The average relative standard deviation is 4.24%.
    使用的标样为NBS-461、463、466、468。 平均标准偏差为4.24%。
    Trace elements of USGS standard samples, BCR-1, BIR-1 and PCC-1 are simultaneouslyd etermined. The results are in agreementwith the values published.
    为了检查工作的可靠性,对USGS发行的岩石标样BCR-1,BIR-1及PCC-1同时进行测定,其分析值与文献值基本符合。
    The technological conditions on which to prepare the standard samples, sach as ATB, ATB+W_(20)O_(58), WO_2+α-W and WO_2+β-W+α-W, are presented in this paper.
    本文介绍了制取ATB、ATB+W_(20)O_(58)、WO_2+α-W、WO_2+β-W+α-W等标样的工艺条件。
    Standard samples of sludge, rock and soil have been analyzed. The content of silver is in the range of 0.023-4.35 PPm. The precision of the method is±15%.
    分析了水系沉积物、岩石和土壤标样,测得银的含量范围为0.023-4.35ppm,实际样品的测定精密度在±15%以内。
    With this method we have successfully determined the Zn in the standard samples(Tea No. 84501 and Tea Leaves No. 84501) and the result shows a good agreement with the authentic value.
    利用此法我们成功地测定了茶叶(84501)和茶树叶(84501)标样中的Zn,其结果与鉴定值吻合良好。
    In this paper there are three kinds of standardless quantitative analysis results obtained from the commercial EDAX 9100. TN5500 and KEVEX8000 EDS at 5-30kV. The Cu-Au alloy of NES. GaAs. GaP and InP are used as standard samples.
    本文用NBS的Cu—Au合金、GaAs、GaP和InP等标样,对三种商用EDS (EDAX9100,TN5500和Kevex8000)在5~30 kev下的无标样定量分析结果进行了比较,指出了提高低压电子探针定量分析准确性需要解决的问题。
    The standard samples of Fe-C alloy (0.156-0.978%C) for carbon analysis by EMPA has been made successfully.
    作者成功地制作一组电子探针定量分:析碳用的Fe-C合金(0.156~0.978%C)标样
    All the indexes of the standard samples has arrived the standard technical indexes of GB-4930-85, showing they are good standard samples for quantitative electron probe micro-analysis of carbon in carbon steels and low-alloy steels.
    标样的所有指标均达到了GB—4930—85标准技术指标。 这表明,这是一组定量电子探针分析碳钢和低合金钢中碳的很好的标样
    The detection limit of Cr, Fe, Cu,and Zn is below than 0.1 ng/cm~2. The standard samples used for the experiment are fromMicromatter Co. (U. S. A.)
    Cr、Fe、Cu、Zn的检测下限小于0.1ng/cm~2,标样由美国微物质公司(Micromatter Co.U.S.A.)
 

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