trace anion 痕量阴离子(1) 痕量负离子(1)   痕量阴离子      Study on the Determination of Trace Anion in Pure Water by Ion Chromatography      离子色谱法对纯水中痕量阴离子测定的研究 短句来源   痕量负离子      NTIMS and Its Appliication to Analyze Trace Anion      负热电离质谱在准确分析痕量负离子中的应用 短句来源   “trace anion”译为未确定词的双语例句      Determination of Trace Anion Surfactant in Environment Water Sample and Plating Bath by Victoria Blue B-Spectrometry      维多利亚蓝B-光度法测定环境水样及电镀液中微量阴离子表面活性剂 短句来源      The trace anion surfactant in environment water sample and plating bath used to be determined by extractive and spectrometric method, which 15 complicated and toxic due to its need of organic solvent for extraction.      通常环境水样或电镀液中微量阴离子表面活性剂的测定都采用萃取光度法,这些方法都需要用有机溶剂萃取,比较繁琐而且毒性较大。 短句来源      A new method for determining trace anion surfactant is recommanded, in which Victoria Blue B is used as developer and polyvinyl alcohol as solubilizer in phosphoric acid medium.      本文提出了用维多利亚蓝B作显色剂,在磷酸介质中以聚乙烯醇作增溶剂,测定微量阴离子表面活性剂的方法。 短句来源      cm. This method has been used to determine the trace anion surfactant in plating bath and river water directly in water phase and proved to be satisfactory      用此法可直接在水相中测定河水及电镀液中微量阴离子表面活性剂,结果满意。 短句来源   相似匹配句对      NTIMS and Its Appliication to Analyze Trace Anion      负热电离质谱在准确分析痕量负离子中的应用 短句来源      Trace Calculus      Trace演算 短句来源      Being and Trace      存在与踪迹——德里达对海德格尔及传统存在本原观的解构 短句来源      Determination of Trace Nitrite with Ferric Tetrachloride Anion Selective Electrode      痕量亚硝酸根的聚氯乙烯液态膜四氯络铁(Ⅲ)离子电极测定 短句来源      Diazoresins with Organic Anion      有机负离子重氮树脂 短句来源 查询“trace anion”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   trace anion Trace Anion Determination in Concentrated Nitric Acid by Means of Two Coupled Ion Chromatography Systems        The trace anion surfactant in environment water sample and plating bath used to be determined by extractive and spectrometric method, which 15 complicated and toxic due to its need of organic solvent for extraction. A new method for determining trace anion surfactant is recommanded, in which Victoria Blue B is used as developer and polyvinyl alcohol as solubilizer in phosphoric acid medium. As for lauryl sodium sulfate. the complex absorption peak is 555nm, the range complying with Beer'S Law 1-60ug/25mL.... The trace anion surfactant in environment water sample and plating bath used to be determined by extractive and spectrometric method, which 15 complicated and toxic due to its need of organic solvent for extraction. A new method for determining trace anion surfactant is recommanded, in which Victoria Blue B is used as developer and polyvinyl alcohol as solubilizer in phosphoric acid medium. As for lauryl sodium sulfate. the complex absorption peak is 555nm, the range complying with Beer'S Law 1-60ug/25mL. Mole ap- pearant absorption coefficient 1.57×10_4l/mol.cm. This method has been used to determine the trace anion surfactant in plating bath and river water directly in water phase and proved to be satisfactory 通常环境水样或电镀液中微量阴离子表面活性剂的测定都采用萃取光度法,这些方法都需要用有机溶剂萃取,比较繁琐而且毒性较大。本文提出了用维多利亚蓝B作显色剂,在磷酸介质中以聚乙烯醇作增溶剂,测定微量阴离子表面活性剂的方法。对十二烷基硫酸钠来说,络合物最大吸收峰为555nm,符合比尔定律的范围是1-60μg/25mL,表观摩尔吸光系数为1.57×10~4l/mol·cm。用此法可直接在水相中测定河水及电镀液中微量阴离子表面活性剂,结果满意。 An experimental investigation is made on the application of ion chismatography in the determination of trace anion in pure water.The F -、Cl -、NO 3 -、SO 4 2- trace anion of μg/L class in pure water can be determined by ion chromatography correctly,quickly and simultaneously.The method has been widely used for the trace analysis of pure water at Baosteel for its less interference,easy operation and no toxity and secondary pollution.The ion recovery,sensitivity and relative standard... An experimental investigation is made on the application of ion chismatography in the determination of trace anion in pure water.The F -、Cl -、NO 3 -、SO 4 2- trace anion of μg/L class in pure water can be determined by ion chromatography correctly,quickly and simultaneously.The method has been widely used for the trace analysis of pure water at Baosteel for its less interference,easy operation and no toxity and secondary pollution.The ion recovery,sensitivity and relative standard deviation of the method come up to 85%～112%,0 002% μg/mL and 4.22% respectively. 就离子色谱法应用于纯水中痕量无机阴离子的检测进行了试验研究。该方法可同时对 μg/L级F- 、Cl- 、NO3- 、SO42 - 进行快速、准确的检测 ,干扰少 ,操作简单 ,且试验无毒性 ,不会带来二次污染。回收率达到 85%～ 1 1 2 % ,灵敏度达到 0 0 0 2 μg/mL ,相对标准偏差为4 2 2 % ,该方法在宝钢纯水领域的痕量分析中得到广泛的应用 The anion self-regenerating neutralization was used to the analysis of trace anion in TBAOH to produce hydronium ions, which served to neutralize the basic portion of the sample. Then we determined the trace anions by ion chromatograph with conductivity detection. The method was used to determine the trace anions in sample TBAOH, the results are satisfactory and the recovery is between 87.68% and 109.4% . 采用在线中和装置去除氢氧化四丁基铵(TBAOH)中氢氧根对阴离子测定的干扰,然后再采用离子色谱法对几种氢氧化四丁基铵中几种痕量阴离子进行测定。对样品进行测定,结果比较满意,回收率在87.68％～109.4％之间。   << 更多相关文摘      相关查询 (trace anion trace trace rule characteristic trace anion inhibitors trace form activation trace standard trace trace fusion advertising trace anion gap

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