نتایج جستجو برای: potentiometric sensor
تعداد نتایج: 191184 فیلتر نتایج به سال:
در این کار تحقیقاتی یک حسگر پتانسیومتری بر پایه پلیمرهای قالب ملکولی (mips) طراحی و ساخته شده و برای تشخیص و اندازه گیری ترکیب 2-آمینوپیریدین به کار گرفته شده است. یون فعال مورد اندازه گیری در واقع 2- آمینوپیریدین به طور مثبت باردار شده می باشد. برای تشکیل این جزء یونی اندازه گیری ها در یک محلول بافری با 5/4 انجام گرفته که در این ph 2-آمینوپیریدین به طور غالب تک پروتونه می باشد. در این شرایط پت...
The present work aims to develop a sensor that can leave the laboratory and be industrialised. For this reason potentiometric sensors based on a solid electrolyte YSZ and 2 metallic electrodes (platinum and gold) were fabricated by screenprinting technology and were tested in a laboratory test bench for different concentrations of CO, NO and NO2 in oxygen rich atmosphere. By deposing a catalyti...
The light-addressable potentiometric sensor (LAPS) represents a versatile platform for chemical and biosensing. Thanks to the light addressability, flat surface of LAPS can be flexibly divided into areas or pixels, each functioning as an independent that modified with various sensing materials measuring different ions molecules. Since it first appeared in late 1980s, has been applied cells biol...
Determining the geochemistry in the remote hostile Martian environment requires sensors specifically designed to meet such a unique challenge. We report here on the initial development, considerations, and a prototype array of electrochemical sensors for measuring in-situ a variety of ionic species in the Martian soil (regolith). The sensor array consists mainly of potentiometric ion selective ...
a new cesium ion selective pvc membrane based on parent calix [4] arene was developed for potentiometric determination of cesium in environmental samples. the electrode based on p-5,11,17,23tetra(tertbutyl) 25,26,27,28-tetrahydroxy calix[4]arene(thc) as ionophor ,dibutyl phthalate (dbp)as plasticizer ,sodium tetra phenyl borate(natpb)and oleic acid as lipophilic salt and additive showed the ...
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