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Silver Catalyst formaldehyde before the wave of mobility

illbereducedtoactivesilverduringacathodicstrippingpotentialsweep. TheactivesilverCancatalyzethedimethanOldehydratingontheelectrodesurface. Thesereactionsprovideasensitivemethodforthedetermina-tionofformaldehydewithdirectedelectrochemicalmethod. Therelativestandarddeviationforfivedetermina-tionsinthesamesolutionof2.0 × 10mol/LformaldehydeiS3.0% bydifierentialpulsevohammetry: thepeakcurrentiSproportionaltotheconcentrationofformaldehydeandthedetectionlimitiS1.0 × 10-8mol / L. KeywordsSilvermicrodiskelectrode, formaldehyde, catalysis (Received14July2003; accepted11May2004) to celebrate China's first atomic absorption spectrometer 40th anniversary of Professor Wu Tingyan Main Owner 55 years in the cause of chemical analysis, atomic absorption spectrometry career development seminar essay by the Beijing Nonferrous Metal Research Institute in 1965, according to Wu Ting Professor successfully developed China's first atomic absorption spectrometer is 4o years to 2005. This sets the birth of spectrometer for the development of atomic absorption has laid a good and solid foundation. Since then, our atomic absorption spectrometer continuously improve the rapid development of China's advances in technology have made great contributions. 55 years, Professor Wu Tingzhao always struggle in the chemical analysis, atomic absorption spectrometry the cause of development of the first line of dedicated, hard working, regardless of his personal gains and losses, he has traveled around the country all the atomic absorption spectrometer manufacturer,[link widoczny dla zalogowanych], has successfully developed hollow cathode lamps, High performance hollow cathode lamp (the national patent),[link widoczny dla zalogowanych], metal cover glass and efficient nebulizer (national patent) and flow injection hydride generation atomic absorption and other related products, these products are full of atomic absorption to promote the industry and application the development of atomic absorption has made tremendous contributions. To celebrate China's first atomic absorption spectrometer was born 4o Anniversary of the major Owner Professor Wu Tingzhao in chemical analysis of the cause of 55 years, in order to promote atomic absorption spectrometry to the development of China Instrument Association, Beijing Han when the production of the (Wu Ting Chiu chairman) modern scientific instruments, apparatus, information network, Beijing Haotian Hui Electronics Co, analytical chemistry, physical and chemical testing and life science instruments, and other units will be in April 2005 jointly convened in Beijing in the application of atomic absorption spectrometry, development, seminars, Call for Papers now. Authoritative experts will be invited to conduct appraisals on the essay, the paper will be set 1,2.3 and other prizes,[link widoczny dla zalogowanych], respectively, 2000,1000,[link widoczny dla zalogowanych],500 yuan, edited and published proceedings, papers will recommend to the relevant journals, will hold a grand prize ceremony. Essay as follows: 1. Development of atomic absorption spectrometry memories of history and memory; 2. China and the international atomic absorption spectrometry the development of new technologies, new methods, new development; 3. Flame atomic absorption spectrometry in the practical application of various industries; 4. Hydride Generation Atomic Absorption Spectrometry (special bonus); 5. Wu Industrial Glass efficient nebulizer typical application. Received deadline: March 15, 2005. Please use the word file format paper writing. E-mail sent to wuanlin @ public. bta. net. ca or zhengwen @ hshth. COrn e-mail. And saved on a floppy disk or print the papers sent by mail, please send the following address: It Cui Ge Zhuang, Chaoyang District, Beijing City (the founding of the hospital fast food); Code: 100102; To: Wuan Lin Tel :010 -64381290-11, 64385638 Fax :010 -64,381,959
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