نتایج جستجو برای: sample preparation

تعداد نتایج: 568380  

2009
Bruce Hoskins

In the Northeast, routine testing of soil samples invariably begins with a drying step and is followed by some form of pulverization. Analysis of dried, ground, sieved soils allows for more convenient sample handling and greater reproducibility of results in comparison with analysis of field-moist soil. Sample preparation steps, although often taken for granted, have frequently been shown to si...

Journal: :International Journal of Applied Pharmaceutics 2021

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

abstract ion selective electrodes (ises) are electrochemical sensors that respond selectivity to the activity of ionic species. an ion-selective electrode is an electrochemical device that uses a thin selective membrane or film as the recognition element, and is an electrochemical half-cell equivalent to other half-cells of the zeroth (inert metal in a redox electrolyte). in common methods o...

Journal: :TrAC Trends in Analytical Chemistry 2005

Journal: :Journal of Separation Science 2014

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