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- A spectrophotometric method for the determination of tantalum with the new chromogenic reagent DBH-PF has been studied. 研究了用新显色剂DBH-PF分光光度测定钼的方法。
- In this paper a brief review is presented on a number of spectroscopic analytical reagents and especially polymeric chromogenic reagents. 本文介绍若干种光学分析试剂尤其是高分子显色剂的研究进展。
- In this paper,the development of using bi azo chromotropic acids as chromogenic reagents in RE determination was reviewed,especially the new reagents introduced after 1990. 介绍1990年以来变色酸双偶氮显色剂在稀土分析中应用的进展，着重介绍了新出现的显色剂。
- The content of aluminum in water was determined by the flow injection spectrophotometry using morin as chromogenic reagent. 以桑色素作显色剂,采用流动注射分光光度法测定水中铝的含量。
- However, the worry concerning nitrosamine among consumers makes the longing for safe replacer for chromogenic reagent has long been our target. 然而,由于人们对随之可能产生的亚硝胺所存在的顾虑,使得午餐肉现有发色剂的安全使用和代用品的寻找一直成为多年来我们不断探讨的课题。
- The progress in spectrophotometric analysis of zinc in the recent years,including the condition of reaction with all kinds of chromogenic reagents,sensitivity,application etc. 总结和评述了近年来国内锌的光度分析进展情况,包括与各类显色剂的反应条件、灵敏度、实际应用等,并对今后的工作进行了展望。
- A new chromogenic reagent, p-carboxylphenylazo-thiorhodanine(CPATR) was synthesized, and its structure was verified by elemental analysis, IR and HNMR. 合成了新试剂对羧基苯偶氮硫代若丹宁(CPATR),并用红外光谱、核磁共振氢谱和元素分析鉴定其结构。
- The method of synthesis of the new chromogenic reagent dibromo-p-methyl-Sulphochlorophenol is deseribed, and its of function in spectrophotometry has been investigated. 本文报道了新显色剂二溴对甲基氯磺酚的合成方法，并对其在光度分析方面的性能进行了研究。
- The color and lustre is one of the major quality guideline of pork luncheon meat, its control is directly related to the influx amount of chromogenic reagent (nitrite) . 午餐肉的色泽是一项重要的质量指标,色泽的控制与发色剂(亚硝酸盐)的添加量有直接的关系。
- And in concentrated hydrochloric acid,when phenylfluorone is used as chromogenic reagent,the chromogenic reagent reacts with Ge(IV) ions to form complex. 而在浓盐酸中,以苯基荧光酮为显色剂,苯基荧光酮与锗(IV)离子生成络合物。
- The new chromogenic reagents with which gold was determinated by spectrophotometry in China since 1991 were reviewed, their spectrophotometric analytical characteristic and selectivity were described. 介绍了1991年以来国内光度法测定金提出的新显色剂,并对新显色剂的光度分析特性和选择性进行了描述,指出了具有应用前景的显色剂。
- A highly sensitive color reaction of Cadmium and the action mechanism of surfactants were studied by using 2-chloro-4-nitrobenzenediazoaminoazobenzeno(CND AA) as chromogenic reagent. 本文以2-氯-4-硝基苯重氮氨基偶氮苯(CNDAA)为显色剂,研究了镉的高灵敏显色体系及表面活性剂的作用机理。
- A sensitive chromogenic reagent,2-(4-chloro-2-phosphophenylazo)-7-(2,4-dichlorophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid(abbreviation:DC-CPA),has been used in the spectrophotometric determination of bismuth. 研究了2-(4-氯-2-膦酸基苯偶氮)-7-(2;4-二氯苯偶氮)-1;8-二羟基-3;6-萘二磺酸(DC-CPA)与铋的显色反应.
- Using thymol-sodium hypobromite as chromogenic reagent,and extracting the colour formed with butanol,a spectrophotometric method for the determination of arginine in fermentation broth was studied. 以百里酚的次溴酸钠溶液为显色剂,用正丁醇萃取显色产物,以分光光度计比色测定有机相的吸光度值。
- Nitrite is widely used as chromogenic reagent in meat product at present,because it can make color of the meat product captivating and inhibit Clostridium botulinum in meat products. 目前肉制品生产中,普遍使用亚硝酸盐作为发色剂,它赋予肉制品诱人的色泽,并对肉毒梭状芽孢杆菌有抑制作用。
- Thiazolylazo chromogenic reagent 6-CH3-BTAEB
- Keywords rhodanine;acetic acid;synthesis;chromogenic reagent; 绕丹宁乙酸;合成;显色剂;
- Keywords triazene;spectrophotometry;advance;chromogenic reagent; 三氮烯;分光光度法;进展;显色剂;
- Keywords triazene;photometric analysis;chromogenic reagent;cadmium; 关键词三氮烯;光度分析;显色剂;镉;
- DBN-ARSENAZO AS A NEW CHROMOGENIC REAGENTS FOR DETERMINATION OF TRACE THORIUM 新显色剂DBN-偶氮胂作为测定痕量钍的显色剂
