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《Chinese Journal of Analytical Chemistry》 1983-11
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Spectrophotometric Determination of Microamounts of Cadmium with 4,4'-Dinitroazoaminobenzene

Cao Shiti Sun Qin(Changsha Research Institute of Mining and Metallurgy, Ministry of Metallurgical Industry)  
A sensitive spectrophotometric microdetermination of cadmium with dinitroazoaminobenzene (DNAAB)is described. The cadmium can be determined owing to decressing in the absorbance of 1.3μgmol of DNAAB in 50 ml of 0.25N-KOH solution at 510nm. The maximum and constant absorption of DNAAB vs Cd(Ⅱ)-DNAAB is attained in the range of 45-90 minutes after initiation of the formation of the complex of cadmium (Ⅱ) with DNAAB in a molar ratio of 1:3. Beer's law is obeyed in the range 0-22.5μg of Cd(Ⅱ)/50ml, and Sandell's sensitivity is 9.3×10~(-4)μg/cm~2. The effects of 57 ion species or compounds were examined. Hg(Ⅱ) and Ag(Ⅰ)seriously interferred with the determination, but 5μg of Hg(Ⅱ) or Ag(Ⅰ)can be masked by addition of 50mg of Cl~-. Micro amounts of cadmium in ores and waste waters can be successfully determined with the method after suitable concentration and separation.
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【References】
Chinese Journal Full-text Database 3 Hits
1 Cao Shiti, Li Xu and Qu Long (Changsha Research Institute of Mining and Metallurgy, Ministry of Metallurgy);Spectrophotometric Study on 1 ■ N itropheny■ 3 ■a pyridyl Triazene and Cadmium,II and its Analytical Application[J];Analytical Laboratory;1987-09
2 Cao Shiti Gu Yuwen;EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF MICRO-AMOUNT OF SILVER WITH 4, 4'-DINITROAZO-AMINOBENZENE AND DODECYLAMINE[J];Mining and Metallurgical Engineering;1984-01
3 Cao Shlti Zhang Ling;THE SPECTROMETRIC DETERMINATION OF TRACE MERCURY BY DNAAB IN THE PRESENCE OF SUITABLE SURFACTANT[J];Mining and Metallurgical Engineering;1986-01
【Citations】
Chinese Journal Full-text Database 2 Hits
1 ЦАО Ши-Ди; МА Чань и ЯНЬ Сюй-Чинь Инст?тут ?орно?о ?е?а ? мета?ур?, Ака?ем? Наук К?тая;ФОТОМЕТРИЧЕСКОЕ ОПРЕДЕЛЕНИЕ МАЛЫХ КОЛИЧЕСТВ РТУТИ С ПОМОЩЬЮ 4,4'-ДИНИТРОДИАЗОАМИНОБЕНЗОЛА[J];Acta Chimica Sinica;1966-01
2 Ma Qiang Huang Jiangming Zhao Yulin Zou Yaping;DETERMINATION OF TRACE METAL IONS INDUSTRIAL WASTE WATERS WITH ATOMIC ABSORPTION SPECTROPHOTOMETRY AFTER ION EXCHANGE CONCENTRATION[J];Mining and Metallurgical Engineering;1981-03
【Co-citations】
Chinese Journal Full-text Database 9 Hits
1 Cao Shiti(Changsha Institute of Mining and Metallurgy, Ministry of Metallurgy) and Wang Jiajun (Institute of Metallurgical Construction, Ministry of Metallurgy);Spectrophotometric Study on Cu(Ⅱ)-a,a′-dipyridyl-2.2′- 4ichloro-4.4′-dinitrodiazoaminobenzene in the Presence of Tween-20 and Its Analytical Application[J];Chinese Journal of Analysis Laboratory;1986-03
2 Cao Shiti and Li Xu (Changsha Reserach Institute of Mining and Metallurgy, Ministry of Metallurgy),;A Review on Triazenes in Spectrophotometry[J];Analytical Laboratory;1987-04
3 Wang Shuxin, Xu Chunsheng Depanment of Chemistry and Chemical Engineering, Hunan University) and Lu Haiyan (Changsha Institute of Microbiology).;The Spectrophoto metric Determination of Cad mium with 2.4.4 Trinitrodiazoam in obenzene[J];Chinese Journal of Analysis Laboratory;1988-01
4 Long Yue (Teaching and Research Group of Organic Chemistry, Henan Medical University,Zhengzhou 450052) and Cao Shiti (Changsha Mining and Metallurgic Institute,Changsha);Spectrophotometric Determination of Hg (Ⅱ) with Triazenes in the Presence of Triton X-100[J];Analytical Laboratory;1993-03
5 Wang Shuxin, and Xu Chunsheng (Department of Chemistry and Chemical Engineering, Hunan University); Lü Haiyan (Changsha Institute of Microbiology);Synthesis of diazoaminobenzoic compounds[J];Chemical Reagents;1987-06
6 Li Wenran Cao Shiti;SPECTROPHOTOMETRIC DETERMINATION OF MICRO-AMOUNT OF RHODIUM WITH 2-(5-BROMO-2-PYRIDY) AZO-5-(DIETHYLAMINO) PHENOL[J];Mining and Metallurgical Engineering;1983-01
7 Cao Shiti Gu Yuwen;EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF MICRO-AMOUNT OF SILVER WITH 4, 4'-DINITROAZO-AMINOBENZENE AND DODECYLAMINE[J];Mining and Metallurgical Engineering;1984-01
8 Cao Shlti Zhang Ling;THE SPECTROMETRIC DETERMINATION OF TRACE MERCURY BY DNAAB IN THE PRESENCE OF SUITABLE SURFACTANT[J];Mining and Metallurgical Engineering;1986-01
9 Cao Shiti Long Yue(Changsha Research Institute of Mining and Metallurgy);THE SYNTHESIS OF A NEW REAGENT 1—(4—NITROPHENYL)—3—(2—BENZIMIDAZOLE)—TRIAZENE AND SPECTROPHOTOMETRIC STUDY ON ITS REACTION WITH MERCURY[J];Mining and Metallurgical Engineering;1993-02
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 ZHANG Ming-cui, SHANG Yong-jia, ZHU Yin-gui, WANG Lun (College of Chemistry and Materials Science , Anhui Normal University,Wuhu 241000, China);SYNTHESIS AND FLUORESCENCE PROPERTY OF A NEW FLUORESCENT REAGENT 5-(4-CHLOROPHENYLAZO)-8- SALICYLIDENEAMINOQUINOLINE[J];Journal of Anhui Normal University(Natural Science);2001-04
2 Li Shengyi Xie Yuanwu (Department of Chemistry,Wuhan University);SEPARATION AND ENRICHMENT WITH SULFHYDRYL COTTONSPECTROPHOTOMETRIC DETERMINATION OF CADMIUM WITH CETYLPYRIDIUM BROMIDE AND SALICYLFLUORONE[J];Chinese Journal of Analytical Chemistry;1986-12
3 Jie Nianqin Guo Jianping Jiang Shufu (Department of Chemistry,Shandong University,Jinan);SPECTROPHOTOMETRIC DETERMINATION OF CADMIUM IN AQUEOUS SOLUTION AS A TERNARY COMPLEX WITH IODIDE AND ETHYL VIOLET[J];Chinese Journal of Analytical Chemistry;1988-05
4 Jin Gu Zhu Yurui (Department of Applied Chemistry,University of Science and Technology of China,Hefei,230026)Zhang Baozhong Wang Xiuyan (Department of Modern Chemistry,University of Science and Technology of China);HIGHLY SENSITIVE MICELLA COLOUR REACTION OF CADMIUM WITH 4-(o-DIAZOAMINOPHENYLARSONIC ACID)AZOBENZENE[J];Chinese Journal of Analytical Chemistry;1989-10
5 Zhang Guizhu~* Zhang Zhihui Ma Jianhua shi Huiming (Department of Chemistry,Nankai University,Tianjin,300071);Study on the Ion-Exchange Phase Colorimetry of Cadmium[J];Chinese Journal of Analytical Chemistry;1990-08
6 Zeng Zuotao Xu Qiheng (Department of Chemistry,Yunnan University,Kunming,650091);Study on Colour and Fluorimetric Reactions of Co(Ⅱ)With New 8-Aminoguinoline Derivatives[J];Chinese Journal of Analytical Chemistry;1990-11
7 Wu Qizhuang~*, Cai Jing, He Shaohong (Department of Chemistry, Fuzhou University, Fuzhou, 350002) Huang Zexing, He Shuqiong (Department of Chemistry, Huaqiao University);Spectrophotometric Determination of Trace Amounts of Cadmium(Ⅱ) With meso-Tetra(4-methyl-3-sulfonatephenyl) porphyrin[J];Chinese Journal of Analytical Chemistry;1991-06
8 Xu Bin Gong Churu Xu Yiming Zhang Haili Zhou Xinping (Department of Chemistry,Hubei Normal University,Huangshi 135002);The Colour Reaction of Cadmium With New Reagent Antipyrinyldiazoaminoazobenzene and Its Application[J];Chinese Journal of Analytical Chemistry;1991-10
9 Shi Huiming~*, Meng Fenglin (Department of Chemistry, Nankai University, Tianjin, 300071);Simultaneous Determination of Zinc and Cadmium With the Combined Derivative Spectrophotometry[J];Chinese Journal of Analytical Chemistry;1991-12
10 Zhu Yurui~*, Jiang Wanquan, Deng Changping, Jin Gu(Deparment of Applied Chemistry, University of Science and Technology of China, Hefei 230026);Determination of Microamount of Zinc(Ⅱ) in Water by New Reagent 1,3-Bis(4-phenylazophenyl)triazene[J];Chinese Journal of Analytical Chemistry;1992-11
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 Cao Shlti Zhang Ling;THE SPECTROMETRIC DETERMINATION OF TRACE MERCURY BY DNAAB IN THE PRESENCE OF SUITABLE SURFACTANT[J];Mining and Metallurgical Engineering;1986-01
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