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.
通过铜片腐蚀试验和活性硫测定,发现氧化硫烯腐蚀性上升的主要原因是由于反应生成的亚砜和砜造成的。
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.
研究了铜与1-(2-吡啶偶氮)-2-萘酚(PAN)的显色反应,建立了测定硫酸阳极氧化液中铜的新方法。
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.
探讨了用原子吸收空气-乙炔火焰连续测定轻质油中痕量铜的方法,并考察了轻质油中铜的萃取富集方法。
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.
本文探讨了该极谱波的性质,并测定了络舍比为1:1,可直接用于测定铝合金中的铜,方法简单,快速、灵敏并获得满意的结果。
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用高频加热-热导法测定钢铁、铜、铌、钽、钛中的氢。
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.
简要论述了铜酞菁纯度的测定;介绍了容量法和重量法的操作过程,并对其进行了对比和探讨。
A new method for the spectrophotometric determination of trace copper with 2,4 dihydroxybenzaldehyde thiosemicarbazone(DBT) is reported in this paper.
研究了新显色剂2 ,4 二羟基苯甲醛缩氨基硫脲(DBT )与铜的显色反应,建立了光度法测定微量铜的新方法。
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.
采用铅火试金预富集,ICP - AES法同时测定铜阳极泥中微量铂和钯含量。
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.
铜是铝合金中的主要合金元素,准确、快速测定其含量对科研与生产具有重要意义。
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镉镍电池陶瓷绝缘子镀液中锌、铜、铁含量的连续测定。
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.
研究各种操作条件对分光光度法测定果酒中叶绿素铜钠的影响,得到了较有价值的结论。
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.
阐述了用全谱直读型电感耦合等离子体发射光谱仪测定金属铬中铝、铜、铁、磷、硅元素的测试方法的研究。
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.
提出了增感效应导数火焰原子吸收光谱测定金属铜和铜合金中微量铬的新方法。
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.
介绍了用CO作吸附质,在室温下脉冲吸附测定铜催化剂中活性铜表面积的方法。
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.
研究了在酸性介质中,钼酸盐孔雀绿浮选分光光度法测定铁、镍、铜中痕量磷。
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.
用标准加入法以电感耦合等离子体质谱测定金属中铝、铜、钛、锌、锰、钴,建立了一种简便、快速测定金属铝中杂质元素的分析方法。
Experiment on determination of trace Argentum in copper coneentrace ore was done. Method of inhibition of Copper to determine Argentum was studied.
对湖南省麻阳铜矿铜精矿中的微量银作了原子吸收光谱法制定试验,研究了铜对银的测定的干扰,并提出了消除干扰的方法。
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.
提出用钒和铜混合基体改进剂衬钽管石墨炉原子吸收测定镓的方法。
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.
提出用钒和铜混合基体改进剂衬钽管石墨炉原子吸收测定镓的方法。
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