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Hydrogen sulfide ≥% | 7783064

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Fabrication of polyanilinebased gas sensors using piezoelectric inkjet and screen printing for the detection of hydrogen sulfide. Crowley K. IEEE Sensors Journal, 10(9), 14191426 (2010) Silver sulfide nanoparticle assembly obtained by reacting an assembled silver nanoparticle template with hydrogen sulfide gas. Chen R. Nanotechnology, 19(45), 455604455604 (2008) Associations of ambient ...

Novel, Low Cost and Fast Detection Sensor for Biogenic H2S ...

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Request PDF | On Mar 3, 2021, khalid kabel and others published Novel, Low Cost and Fast Detection Sensor for Biogenic H2S Gas Based on Polyaniline/ZnO, CdO and CeO2 nanocomposites at Room ...

(PDF) Polyaniline Nanocomposites for Hydrogen Sulfide ...

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20210525· PDF | Coming from natural and anthropogenic sources, hydrogen sulfide gas (H2S) is a smelly hazardous substance at the subppm level, which can lead to... | …

PEMBUATAN SENSOR GAS H2S BERBASIS POLYANILINE FIELD …

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20120301· H2S gas sensor has been made based on Field Effect Transistors (FETs) with polyaniline (PANI) as the active layer of the sensor. PANI layer was grown on top of a dielectric material (SiO2) with a casting method. Optical properties of the dielectric layer tested to …

Polyaniline Nanocomposites for Hydrogen Sulfide Detection ...

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20210528· The properties of a highperformance hydrogen sulfide gas sensor based on tin oxide and conductive polymers (polyaniline and poly(3,4ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) are investigated. The principle of detection of this resistive sensor consists of a two steps reaction. H2S reacts with tin oxide producing hydrochloride acid, which dopes polyaniline, leading to …

PEMBUATAN SENSOR GAS H2S BERBASIS POLYANILINE …

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H2S gas sensor has been made based on Field Effect Transistors (FETs) with polyaniline (PANI) as the active layer of the sensor. PANI layer was grown on top of a dielectric material (SiO2) with a casting method. Optical properties of the dielectric layer tested to see present layers as one constituent sensor. Sensor electrically tested to see the effect of terrain characteristics and ...

Printed hydrogen sulfide gas sensor on paper substrate ...

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A flexible hydrogen sulfide (H2S) gas sensor based on polyanilinepolyethylene oxide (PAniPEO) nanofibers doped by camphorsulfonic acid (HCSA) is presented in this paper. The proposed sensor ...

The Fabrication, Characterization and Gas sensing ...

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Porous CaMnO3 doped polyaniline nano composite thin films were synthesized by the doping CaMnO3 by weight percentage (5%, 10%, 15%, 20% and 25%) in aqueous solution of polyaniline using chemical polymerization technique. The produced films were characterized by Xray diffraction (XRD), UV Visible spectroscopy, Infrared spectroscopy (IR), scanning electron microscope (SEM), transmission ...

PEMBUATAN SENSOR GAS H2S BERBASIS POLYANILINE FIELD …

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S BERBASIS POLYANILINE FIELD EFFECT TRANSISTOR (PFETs) DENGAN METODE CASTING T ... nanoparticles hybrid network based chemiresistive hydrogen sulfide sensor. 2009. Applied Physics Letters 94, 083502. 11. Joo J, Epstein A. Electromagnetic radiation shielding by intrinsically conducting polymers. Appl. Phys. Lett. 1994, 65, 22782280. 12. Brusic V, Angelopoulos M, Graham T. Use of …

Fabrication and design of a toxic gas sensor based on ...

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20150612· A sensitive polyaniline (PANI)/titanium dioxide ... It exhibited high sensitivity toward 10 ppm of three different toxic gases (ammonia, hydrogen sulfide and trimethylamine) with an evident frequency shift and a fast response and recovery time. The sensor showed excellent reversibility and longterm stability as well as good selectivity towards NH 3. In realtime application, the obtained PANI ...

Fabrication of a Novel Flexible Room Temperature Hydrogen ...

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Hydrogen Sulfide (H 2S) is a toxic and irritating gas. Exposure to low concentrations may cause headache, dizziness and affect human nervous system. High concentrations (higher than 250 ppm) may lead to death [1]. It is released from mines, petroleum fields and natural gas production. Also, it can be produced by the breakdown of organic matter and human or animal waste. H 2S gas detection is ...

Novel method for fabrication of polyaniline–CdS sensor for ...

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The resistance of polyaniline–CdS nanocomposites showed a considerable change when exposed to various concentrations of H 2 S. Maximum response up to 48% was achieved for 100ppm H 2 S for PANi–CdS sensor. Depending on the concentration of H 2 S, the response time was in the range of 41 and 71s, whereas the recovery time was in the range of 345–518s. × Close. The Infona portal uses ...

US20100059375A1 Metal salt hydrogen sulfide sensor ...

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A hydrogen sulfide sensor is made from a metal acetate film, such as a thin film of copper acetate, formed on a set of monitoring electrodes, by evaporation of a metal acetate aqueous solution disposed on the electrodes, for detecting a weak gas, such as hydrogen sulfide, carried in a gas carrier, such as a nitrogen carrier, for detecting low concentration of the weak gas, such as ten ppm ...

A room temperature hydrogen sulfide gas sensor based on ...

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20161024· A flexible hydrogen sulfide (H 2 S) gas sensor based on polyaniline–polyethylene oxide (PAni–PEO) nanofibers doped by camphorsulfonic acid (HCSA) is presented in this paper. The proposed sensor exhibits good sensitivity, good recovery speed and superior performance compared with previously proposed H 2 S PAnibased sensors. The sensor was fabricated by a simple and lowcost …

(PDF) A Room Temperature Hydrogen Sulfide Gas Sensor Based ...

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20161024· A flexible hydrogen sulfide (H2S) gas sensor based on polyanilinepolyethylene oxide (PAniPEO) nanofibers doped by camphorsulfonic acid (HCSA) is …

Synthesis, Characterization and Study of H2S Gas Sensing ...

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Polyaniline (PANI) [11] is a promising material because of its intrinsic electrical conductivity by doping with organic dopants. PANI is unique as its electronic properties [12] can be controlled both by varying the oxidation state of the main chain and conductivity can be enhanced in several orders of magnitude for the condition by doping it with different materials. In recent years, many ...

Polymers | Free FullText | H2SSensing Studies Using ...

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In this paper, carbon aerogel (CA)polyaniline (PANI) composites were prepared and first applied in the study of H2S gas sensing. Here, 1 and 3 wt% of asobtained CA powder were blended with PANI to produce composites, which are denoted by PANICA1 and PANICA3, respectively. For the H2S gassensing studies, the interdigitated electrode (IDE) was spincoated by performing PANI and PANICA ...

Pembuatan Sensor Gas H2s Berbasis Polyaniline Field Effect ...

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H2S gas sensor has been made based on Field Effect Transistors (FETs) with polyaniline (PANI) as the active layer of the sensor. PANI layer was grown on top of a dielectric material (SiO2) with a casting method. Optical properties of the dielectric layer tested to see present layers as one constituent sensor. Sensor electrically tested to see ...

[PDF] A room temperature hydrogen sulfide gas sensor …

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A flexible hydrogen sulfide (H2S) gas sensor based on polyaniline–polyethylene oxide (PAni–PEO) nanofibers doped by camphorsulfonic acid (HCSA) is presented in this paper. The proposed sensor exhibits good sensitivity, good recovery speed and superior performance compared with previously proposed H2S PAnibased sensors. The sensor was fabricated by a simple and lowcost procedure on ...

Polyaniline Nanocomposites for Hydrogen Sulfide Detection ...

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H2S reacts with tin oxide producing hydrochloride acid, which dopes polyaniline, leading to the increase of its conductivity. Those systems present high repeatability and reproducibility, with sensitivities around 10%/ppm and a limit of detection close to 30 ppb. Moreover, the effect of interfering species such as humidity and oxidative gases (ammonia) is addressed. Those species have a ...

Polyaniline Nanofiber Composites with Metal Salts ...

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20050428· The ability to control and enhance the response of polyaniline nanofibers to molecules such as hydrogen sulfide is demonstrated through the formation of nanostructured, conducting organic/inorganic hybrid materials. Polyaniline nanofiber composites with transition‐metal chlorides have remarkable responses to hydrogen sulfide that are up to four orders of magnitude greater than the ...

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