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- spectrum photometric method 谱间关系法
- Study on the Solvent Floatation Photometric Method for Determination of Trace Copper. 溶剂浮选光度法测定痕量铜。
- Milk and milk products. Determination of the copper content. Photometric method. 奶和奶制品。铜含量的测定。光度计法。
- Determination of arsenic content.Silver diethyldithiocarbamate photometric method. 标准/规范英文名: Condensed phosphates for industrial use (including foodstuffs).
- Sodium periodate photometric method and flame atomic absorption spectrometric method. 高碘酸钠分光光度法和火焰原子吸收分光光度法。
- A new photometric method for the determination of micro-amounts of bromate is proposed based on the oxidation of isatin by bromate in HC1 medium. 在盐酸介质中,依据溴酸根离子氧化靛红褪色的原理提出了测定溴酸根离子的新方法,研究了测定的最佳条件。
- Condensed phosphates for industrial use (including foodstuffs). Determination of arsenic content. Silver diethyldithiocarbamate photometric method. 1979工业浓磷酸(包括食品工业).;氯化物含量的测定
- Ultraviolet photometric method is used to determinate the concentration of ozone from ozone instrument and compare normal curve of Indigo Disulphonate Spectrophotometry. 用紫外分光光度法对臭氧发生器在不同流量时所产生的臭氧浓度进行了测定,绘制并比较了不同方法建立臭氧浓度标准曲线之间的差异。
- The accuracy can be optimized by strengthening quality control of critical factors in the process of test of ammonia density in indoor air with indophenol blue photometric method. 通过对室内空气中氨的靛酚蓝分光光度法检测的整个相关过程的影响因素进行质量控制,从而提高室内空气中氨浓度检测的准确性。
- Based on this phenomenon, a sensitive photometric method for the determination of 4-methylimidazole in caramel was proposed with relatively high accurancy and precision. 本文采用分光光度法对焦糖色中4-甲基咪唑进行了定量测定,克服了传统薄层法的精密度、准确度不高的弱点。
- Comparative study on the determination of petroleum oil in drainage by gravimetric method and infrared photometric method were engaged because of data differences dispute. 针对锦州市环保监测站分析锦州石化公司外排水中石油类物质采用重量法,而公司环保监测站采用红外光度法引起的数据差异争端,对两种分析方法进行了对比。
- Determination of end carboxyl content in PET chip using photometric method was discussed, the optimiza tion of measuring condition and parameters such as sample weight,concentration of titrant, blank of solvent were stud ied. 论述采用光度法测定聚酯切片的端羧基,对称样量、滴定剂的浓度、溶剂的空白等测试条件和参数进行优化选择。
- Jinzhou City environmental stations analysize oil drainage of jinzhou petrochemical company by gravimetric method,but company environmental stations use for infrared photometric method. 结论为重量法灵敏度低不适合分析含油低的外排水样,而红外法灵敏度高,分析含油低的外排水方法可靠、数据合理。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- Keywords photometric method;lead;DBM MSA;cosmetics; 光度测定法;铅;显色剂;化妆品;
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- solid phase extraction- photometric method 固相萃取光度法
- iso- nicotinic acid pyrazolonc photometric method 异烟酸-吡唑啉酮分光光度法
- The mechanism of collagen mineralization was studied by ultraviolet photometry method. 用紫外分光光度法研究了胶原生物矿化的机理。
- Keywords BCO photometric method;copper;uncertainty; BCO光度法;铜;不确定度;