preconcentration

A method to determine Cu(ⅱ) by DDTC chelating resin preconcentration and thin layer resin phase spectrophotometry has been developed.

本文提出了在弱酸性条件下，以螯合树脂预浓集薄层树脂相光度法测定铜的新方法。

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determination of platinum group elements by neutron activation analysis and inductively coupled plasma-mass spectroscopy combined with fire assay preconcentration

火试金预浓集结合中子活化和电感耦合等离子体质谱法测定铂族元素

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application in modern instrumental analysis method of nickel sulfide fire assay preconcentration of platinum group elements and gold

铂族元素和金的硫化镍试金预富集在现代仪器分析方法中的应用

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Determination of trace La and Gd by FI ICP AES with micro column on line preconcentration

微柱在线预富集FI-ICP-AES测定痕量La和Gd

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An anion exchange preconcentration-neutron activation analysis procedure is developed to determine ( iridium ) in seawater.

研究了用阴离子交换预富集中子活化法测定海水中 铱 的分析方法.

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Application of Novel Supported Nanometer TiO_2 for Determination of Heavy Metal by Flow Injection Preconcentration-Flame Atomic Absorption Spectrometry

新型负载纳米二氧化钛在流动注射预富集&火焰原子吸收法测定重金属中的应用

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Application of XAD-2 Functionalized Resin for Preconcentration and Determination of Heavy Metal by Flow Injection Preconcentration

XAD-2键合树脂在流动注射预富集

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Study on Preconcentration of Gold by Modified Ion Exchange with Dithizone

双硫腙改性树脂富集金的研究

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the effect of various factors on the determination of pt, pd, ir and au by icp-aes was investigated in detail using minified nickel sulfide fire assay preconcentration.

详细研究了硫化镍试金预富集-ICP-AES测定矿石中的Pt、Pd、Ir、Au的多种影响因素。

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Preconcentration with Chelating precipitant APDC for the Determination of Trace Elements in Geochemical Samples by Icp-MS

有机螯合沉淀剂富集－感耦等离子体质谱法测定地球化学样品中痕量元素

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Study on the Determination of Trace Cu(ⅱ) by DDTC Chelating Resin Preconcentration and Thin Layer Resin Phase Spectrophotometry

螯合树脂预浓集薄层树脂相吸光光度法测定痕量铜的研究

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Determination of Trace Cadmium by FAAS with srco_3 as a precipitant for preconcentration

碳酸锶共沉淀富集火焰原子吸收法测定微量镉

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The Study of Knotted Reactor Preconcentration On-line Heating Acidity Eluent Coupled with Atomic Spectrometry

编结反应器预富集&在线热酸洗脱与原子光谱联用方法研究

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Determination of Trace Gold in geology Water by Thiourea Model Resin Preconcentration-Graphite Furnace Atomic Absorption Spectrometry

硫脲型树脂富集-石墨炉原子吸收光谱测定地质水中痕量金

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Application of Dispersive Liquid-Liquid Microextraction in the Separation and Preconcentration of Trace Elements

分散液液微萃取新技术在痕量元素分析中的应用研究

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the preconcentration and determination of platinum, palladium, rhodium and iridium in geological samples by nickel sulphide fire assay and icp-ms were described.

建立了锍试金富集电感耦合等离子体质谱法（ICP-MS）测定地质样品中铂、钯、铑、铱的新方法。

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Separation and Preconcentration of Trace Silver with Nitrocotton

用硝基棉富集分离原子吸收光度法测定微量银

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the chemical species of platinum group elements in some upper mantle derived xenoliths from eastern china are studied by molecular activation analysis, in which the chemical stepwise dissolution, nickel fire assay preconcentration and neutron activation analysis are jointly applied.

用化学逐级溶解、镍锍火试金预富集及中子活化分析法研究了中国东部大陆地幔橄榄岩捕掳体中铂族元素的化学种态。

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study of determination of the platinum group elements in geological samples with neutron activation analysis after preconcentration by the nickel sulphide fire assay

铂族元素镍铳试金预富集中子活化分析方法研究

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Low Blank Nickel Sullied Fire Assay Preconcentration of Platinum Group Elements in Geochemical Standard Samples for Neutron Activation Analysis

低空白镍锍试金预富集中子活化分析测定地球化学标准物质中的铂族元素

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ICP-MS determination of traces of Au, Pt, Pd in geological samples after preconcentration on polyurethane foam plastic loaded trioctylamine

TNA负载聚氨酯泡塑富集ICP-MS测定地球化学样品中痕量金、铂、钯

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The simultaneous determination of ultra-trace Au 、 Ag 、 Pt and Pd in geological materials by ICP-MS combined with the thiourea resin preconcentration was studied.

研究了硫脲树脂富集，ICP-MS同时测定地质样品中超痕量金、银、铂、钯的方法。

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determination of trace platinum, palladium and gold in samples by icp-aes and fire assay preconcentration

小试金富集ICP-AES法同时测定试样中的铂、钯、金

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Determination of Rh through its separation and preconcentration by using thorin I chelate-forming resin and atomic absorption spectrometry

钍试剂Ⅰ螯合形成树脂分离富集原子吸收法测定铑

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