Αποτελέσματα Αναζήτησης
5 Αυγ 2022 · Through the immobilization of silver nanoparticles (Ag NPs) and the construction of the boric acid-based sensing unit, the chip system displayed outstanding merits on the direct sensing of SO42−, e.g., simple operation, ultra-high sensitivity, reproducibility, excellent selectivity and specificity.
26 Ιουν 2020 · The authors demonstrate wafer-scale, graphene-based ion sensitive field effect transistors arrays for simultaneous concentration measurement of K+, Na+, NH4+, NO3−, SO42−, HPO42− and Cl− ...
There are several tests for sulfate ion to identify from other anions in qualitative analysis. Some of metal sulfate compounds are soluble in water and some metal sulfates form precipitates. Sulfate compounds of several d block metal cations form colours.
1 Απρ 2014 · The different types of gas sensors technologies including catalytic gas sensor, electrochemical gas sensors, thermal conductivity gas sensor, optical gas sensor and acoustic...
1 Νοε 2019 · Bare SnO 2 thin film sensor showed a gas response of 1.3 at 220 °C whereas NiO/SnO 2 composite sensor showed a gas response of ∼56 towards 500 ppm SO 2 gas with low response and recovery time of 80 s and 70 s, respectively, at a low operating temperature of 180 °C.
1 Μαΐ 2022 · Review of exisitng knowledge on the gas sensing mechanism of chemiresistive metal oxides. •. Areas that require additional research are identified. •. Intuitive depiction of complex surface chemistry using cartoons. Abstract.
30 Ιουν 2021 · The MOF-5/CS/IL gas sensor demonstrates a highly desirable detection selectivity, fast response time (<8 s), recovery time of less than 30 s, and outstanding sensing stability averaging at 97% detection with 50 ppm of H 2 S gas.
