• From the data of the determination of copper corrosion and active sulfur of the additives, it can be found out that sulfoxide and sulfone cause the severe copper corrosion.

    通过铜片腐蚀试验活性硫测定发现氧化硫烯腐蚀性上升主要原因由于反应生成的亚造成

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  • The color reaction conditions of Cu 2+ and 1-(2-pyridylazo)-2-naphthol(PAN)were researched, and a new method was developed for the determination of copper in sulfuric acid anodizing liquor.

    研究1-2-吡啶氮)-2-酚(PAN反应建立了测定硫酸阳极氧化方法

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  • The method of determination of copper in light oil by air-acetylene flame atomic absorption was discussed in this paper, and the extraction and enrichment of copper in light oil was reviewed.

    探讨原子吸收空气-乙炔火焰连续测定轻质油痕量方法考察轻质油中铜萃取富集方法。

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  • The com plex ratio is 1:1. It can be used directly for the determination of copper in aluminium alloys. The method is simple, accurate and sensitive and the results obtained are satisfactory.

    本文探讨了极谱波的性质,并测定了络舍为1:1,直接用于测定铝合金中的方法简单快速灵敏获得满意的结果

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  • This article described the determination of hydrogen in steel, copper, niobium, tantalum and titanium with ceramic crucible by high frequency induction-thermal conductivity method.

    介绍了采用陶瓷坩埚高频加热-热测定钢铁中的

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  • The determination of purity of copper -phthalocyanine is discussed brie fly. The volumetric and weight operation procedures are introduced. Two methods are compared and discussed.

    简要论述纯度测定介绍了容量法重量操作过程,并对其进行了对比探讨

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  • A new method for the spectrophotometric determination of trace copper with 2,4 dihydroxybenzaldehyde thiosemicarbazone(DBT) is reported in this paper.

    研究显色剂24 二羟基苯甲醛缩氨基硫脲(DBT显色反应,建立了光度法测定微量铜的新方法

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  • The method of ICP-AES for simultaneous determination of Platinum and Palladium content in copper anode mud with lead fire assaying pre-concentration has been established.

    采用试金预富集ICP - AES法同时测定阳极中微量含量

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  • Copper is the principal alloying element of aluminium alloy. Accurate and quick determination of its content is very important for research and production of aluminum alloy.

    铝合金中的主要合金元素准确快速测定含量科研生产具有重要意义。

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  • Continuous determination of zinc, copper and iron in porcelain insulator plating liquid of cadmium nickel battery was carried out by flame atomic absorption spectrometry.

    采用火焰原子吸收光谱法进行电池陶瓷绝缘子镀液含量连续测定

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  • We study the affection for the spectrophotometric method determination of sodium copper chlorophyllin in ratafee of all kinds of coefficiant of variation and obtain valuable results.

    研究各种操作条件分光光度测定果酒叶绿素影响,得到了有价值的结论。

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  • The method for determination of aluminum, copper, iron, phosphorus and silicon in metallic chromium has been studied with a direct-reading inductively coupled plasma emission spectrometer.

    阐述了全谱读型电感耦合等离子体发射光谱仪测定金属中铝元素的测试方法研究

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  • A new method for the determination of trace chromium in copper and copper alloy by enhancing effect-flame atomic absorption spectrometry with derivative technique is pro - posed.

    提出感效应导数火焰原子吸收光谱测定金属合金微量方法

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  • A determination method of active surface areas of copper-containing catalysts by pulse adsorption at an ambient temperature with co as adsorbate is described in the present paper.

    介绍了CO吸附质,在室温脉冲吸附测定催化剂活性表面积方法

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  • A new method has been studied for the determination of trace phosphorus in iron, nickel and copper by floatation-extraction spectrophotometry with molybdate and malachite green in acid solution.

    研究酸性介质中,钼酸盐孔雀绿浮选分光光度法测定痕量

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  • A ICP-MS method for the determination of 5 trace impurity elements of copper, titanium, zinc, manganese and cobalt in aluminum has been developed in this paper.

    用标准加入电感耦合等离子体质谱测定金属中铝建立了种简便、快速测定金属铝中杂质元素分析方法。

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  • Experiment on determination of trace Argentum in copper coneentrace ore was done. Method of inhibition of Copper to determine Argentum was studied.

    湖南省麻阳铜矿精矿中的微量作了原子吸收光谱制定试验研究了铜测定的干扰,并提出了消除干扰的方法。

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  • A method for the determination of gallium by the tantalum foil-lined graphite furnace atomic absorption spectrometry with vanadium and copper as mixed matrix modifier has been investigated.

    提出混合基体改进剂钽管石墨原子吸收测定镓方法

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  • A method for the determination of gallium by the tantalum foil-lined graphite furnace atomic absorption spectrometry with vanadium and copper as mixed matrix modifier has been investigated.

    提出混合基体改进剂钽管石墨原子吸收测定镓方法

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