标准参考物质

详细介绍了样品的采集制备、实验测定和定量方法，并且使用标准参考物质小牛肝（NBS）、马肾（IAEA）和比对粉末发样检查校正测量系统的准确性。

Sampling , specimen preparation and experimental procedures are described in detail . The accuracy of our system has been checked up with the determination of standard reference materials .

用氮化硼（BN）和镉＋氮化硼（Cd＋BN）作屏蔽材料的超热中子活化法对我国20种生物标准参考物质中的碘含量进行了分析。

The epithermal neutron activation analysis ( ENAA ) using BN and BN + Cd as thermal neutron shielding materials was used to determine the contents of iodine in 20 Chinese biological standard reference materials ( SRMs ) .

单比较器方法中K0值的测定及标准参考物质的分析

The measurement of K_0-value of monocomparator method and analysis of standard reference material

用NBS提供的环境放射性标准参考物质进行了检验。

The results have been checked with the reference standard material for environment radioactivity provided by NBS , USA.

标准参考物质（SRM）是分析方法研究的基础，也是质量保证较为可信的手段。

Standard reference matter ( SRM ) is the basis of analytical method studying , and is reliable method of quality assurance as well .

本文采用不同提取方法以及不同溶剂对煤飞灰环境标准参考物质样品中PAHs的提取效率进行了考察。

The extraction efficiencies with different solvents and by different methods for polycyclic aromatic hydrocarbons ( PAHs ) in a coal fly ash environmental standard reference material ( SRM ) have been investigated .

根据植物标准参考物质（GBW07603，GBW08513）的分析结果评价方法的正确性。

The potential of the method was evaluated by analysis of REEs in standard reference materials ( GBW07603 , GBW08513 ) .

以硼同位素标准参考物质NISTSRM951配制的标准溶液，在优化的操作条件下对电感耦合等离子体质谱（ICP-MS）测定的硼同位素质量进行校正，求出校正因子，确定了样品的线性浓度范围。

The boron isotope abundance measured by the inductively coupled plasma mass spectrometry ( ICP-MS ) was corrected under the optimal instrument conditions using standard solution of the boron isotope standard reference NIST SRM 951 , and both the correction factor and the linear concentration range were determined .

为检验本方法的准确度，分析了标准参考物质：牛肝（NBS-SRM-1577）和大米（NBS-SRM-1568）。

For examining the accuracy of this method , standard reference materials rice ( NBS-SRM-1568 ) and bovine liver ( NBS-SRM-1577 ) are analysed . Our results are quite consistent with NBS 's value .

SRM4350B河泥标准参考物质的比对测量结果分析

Analysis of results of intercomparison measurements for standard reference materials SRM 4350b

方法简单，挥发酸雾少，用标准参考物质检验证明，分解完全，数据准确，有较好的一致性。

The method is simple with less acidic fog and good precision with standard sample .

测定两种标准参考物质的结果符合标准值。

The determination results of trace selenium in two standard reference materials conformed with the certified values .

用仪器中子活化分析对中国标准参考物质&桃叶作均匀性检验

Homogeneity test of Chinese standard reference material ( peach leaves ) by means of instrumental neutron activation analysis

我国首批环境标准参考物质&桃树叶、煤飞灰和河流底泥的仪器中子活化分析

Instrumental neutron activation analysis of Chinese environmental standard reference materials - peach leaves , coal fly ash and sediment

在环境分析化学方面包括了环境分析监测方法、标准参考物质、环境分析方法、形态分析、采样技术与分析测试仪器化等方面。

Environmental analytical chemistry , including methods of analysis and monitoring , reference materials , speciation , sampling technique and instrumentation .

本文报告在悬汞电极上，用2.5次微分极谱阳极溶出伏安法测定环境标准参考物质&北京土壤中镉含量的方法。

A new stripping voltammetric method is proposed for the determination of cadmium in Beijing Standard soil samples by 2.5th order differential pola-ragraphy ( convolution yoltammetry ) .

建立了定量测定各种物质中微量元素的同位素稀释火花源质谱法，并将此法广泛应用於标定国内许多单位研制的一些地质、生物和环境标准参考物质中微量元素的含量。

An isotope dilution spark source mass spectrometric method has been developed for the certification of the trace elements in home geological , biological and environmental standard reference materials .

该法用于标准参考物质贻贝中微量铅、砷的测定，结果符合证书推荐值。

When applied the method to the determination of arsenic in the standard reference material of mussels , the result was consistent with the recommended value in certificate . 2 .

标准参考物质分析显示分析值与标准值基本吻合，表明所建立的微型镍锍试金流程是可靠的。

Analyses of standard reference materials ( SRM ) indicted that the results are in good agreement with the certified values , showing that the procedure of micro fire assay with nickel sulphide is reliable .

结果：整个方法的检出限为0.008～0.044mg/kg，可以满足测定的要求，精密度优于3.5%，回收率为96.0%～106%。对3个标准参考物质的分析结果令人满意。

Results : The detection limit was 0.008 ~ 0.044 mg / kg , the RSD was less than 3.5 % , recoveries were 96.0 % ~ 106 % , and the results of analyzing standard materiel were satisfactory .

测定值与国标测定值以及标准物质推荐值一致。该方法快速、简便、准确。环境放射性核素分析用标准参考物质HGHR-781的研制

Compared with the national standard method , the developed method is rapid , simple and accurate , and was used to the determination of heavy metals in standard reference material with satisfactory results . PREPARATION OF STANDARD REFERENCE MATERIAL HGHR-781 APPLICABLE TO ANALYSIS OF RADIONUCLIDES IN ENVIRONMENT