A gas-diffusion flow injection method coupled with online solid-liquid extraction for the determination of ammonium in solid samples.
作者： Irina I. Timofeeva , Andrey V. Bulatov , Aleksey L. Moskvin , Spas D. Kolev
DOI: 10.1016/J.TALANTA.2015.04.051
关键词: Analytical chemistry 、 Ammonia 、 Detection limit 、 Kjeldahl method 、 Thymol blue 、 Inorganic chemistry 、 Chemistry 、 Nitrogen 、 Ammonium 、 Solid phase extraction 、 Cresol Red
摘要: … Helium was used as the carrier gas at a flow rate of 2 mL min −1 . A sample volume of 1 μL was injected in splitless mode with 1 min of purge … Synthetic concrete samples were prepared …
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