نتایج جستجو برای: kinetic spectrophotometric determination

تعداد نتایج: 341035  

Journal: :Rafidain Journal of Science 2019

Journal: :Chemical and Pharmaceutical Bulletin 1980

Journal: :Journal of Biological Chemistry 1942

Journal: :journal of sciences islamic republic of iran 0

an extraction-spectrophotometric method for the determination of trace amounts of ammonium ion is described. ammonium ion is effectively extracted as a neutral ternary complex nh . db 18c6. calmagite at ph 3.0 into chloroform, followed by spectrophotometric determination at =48 5 nm. molar absorptivity of the ternary complex at this wavelength is 1.08 10 mol cm . beer's law is obeyed over ...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2006
Yan Chen Andrea D Carroll Louis Scampavia Jaromir Ruzicka

A micro-reactor system with continual spectrophotometric detection has been operated in Sequential Injection lab-on-valve (SI-LOV) mode and applied to enzyme kinetics and inhibition studies, using acetylcholinesterase (AChE) and angiotensin-converting enzyme (ACE) as model systems. With the advantages of automation, real-time kinetic measurement, and thorough mixing, the SI-LOV micro-reactor sy...

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