ammonia gas sensing electrode

Enzyme Immunoassay Using the Ammonia Gas-Sensing Electrode ...

The ammonia gas-sens ing electrode is one example and has the capability of detecting enzymes that catalyze ammonia producing reactions. Meyerhoff and Rechnitz (1979) first described the application of this gas-sensing electrode to EIA measurements through the use of a urease label for bovine serum albumin (BSA), a model protein analyte, and for cyclic AMP (adenosine monophosphate). In this ...

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Gas Sensors Ammonia -

Ammonia can be measured in air or in liquid (dissolved) using a variety of methods. The most common method is using Electrochemical Gas Sensors, which is what all of our Ammonia products use. Ammonia is normally measured in parts per million (ppm) for human safety uses but can also be measured in percent by weight for commercial production and ...

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Application of the ammonia gas-sensing electrode ...

Application of the ammonia gas-sensing electrode: determination of drugs having a carbothionamido group by decomposition with acid. Tagami S, Maeda H. A method to determine drugs having a carbothionamido group using an ammonia gas-sensing electrode is described. To obtain analytical accuracy, the effect of factors that influence the potential is also discussed. Ethionamide or prothionamide was refluxed with 20% HCl to give ammonium …

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AMMONIA GAS-SENSING ELECTRODE - Van London

AMMONIA GAS-SENSING ELECTRODE QUICK START INSTRUCTIONS A hole of any size in the white Teflon membrane or breakage of the membrane will cause failure of the electrode. It is recommended to check the membrane on every newly assembled electrode. 1. An Ion Meter. 2. Deionized or Distilled water for standard preparation. 3. Ammonia Gas Sensing Electrode #NH3I501-XXXX (supplied in electrode …

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Potentiometric ammonia sensor with InVO4 sensing electrode ...

· InVO 4 was first applied to the sensing electrode for potentiometric ammonia sensor. • The sensor has considerable sensitivity of - mV/decade and response value of −143 mV to 320 ppm NH 3 at 600 °C. • The sensor with InVO 4 electrode exhibits good NH 3 sensitivity, selectivity and durability. Abstract. Orthorhombic InVO 4 powder was synthesized by precipitation method and …

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Ammonia Gas Sensing Combination Electrode

Electrode Description The Hach Ammonia Electrode measures ammonia gas or ammonium ions in aqueous solutions that have been converted to gas by the addition of a strong base. The electrode (Figure 1) is a complete electrochemical cell consisting of a glass pH electrode and a reference electrode. Figure 1 Ammonia Gas Sensing Electrode

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The Ammonia Gas Sensing Probe - pH Electrodes - Sentek

Gas-sensing probes are complete electrochemical cells consisting of a pH and a silver-silver chloride electrode (Fig. 1). The glass electrode is separated from the sample by a thin film. Any change in the partial pressure of ammonia in the thin film causes a change in response at the glass electrode, which is registered on a mV meter.

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Theory Gas sensing Ammonia ISE electrode manual

The EID ammonia electrode, ELECTRODER-AGI (P# EID-E-AGI-A001) is a gas-sensing electrode, which allows fast, simple, economical, and accurate measurements of dissolved ammonia in aqueous solutions. It can also measure ammonium ion after conversion to ammonia, or organic nitrogen after Kjeldahl digestion of the sample. Basic equipment required : 1. Ion meter, or pH/mV meter. 2. …

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Application of the ammonia gas‐sensing electrode ...

Application of the ammonia gas‐sensing electrode: Determination of drugs having a carboxyamide group by decomposition with acid. Shoichiro Tagami. Corresponding Author. Toyama Medical and Pharmaceutical University, Sugitani, Toyama, Japan. Toyama Medical and Pharmaceutical University, Sugitani, Toyama, JapanSearch for more papers by this author ...

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Facile Fabrication of an Ammonia-Gas Sensor Using ...

Polyaniline (PANI) is a conducting polymer, widely used in gas-sensing applications. Due to its classification as a semiconductor, PANI is also used to detect reducing ammonia gas (NH3), which is a well-known and studied topic. However, easier, cheaper and more straightforward procedures for sensor fabrication are still the subject of much research.

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AMMONIA GAS-SENSING ELECTRODE - Van London

AMMONIA GAS-SENSING ELECTRODE QUICK START INSTRUCTIONS A hole of any size in the white Teflon membrane or breakage of the membrane will cause failure of the electrode. It is recommended to check the membrane on every newly assembled electrode. 1. An Ion Meter. 2. Deionized or Distilled water for standard preparation. 3.

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Application of the ammonia gas-sensing electrode ...

Application of the ammonia gas-sensing electrode: determination of drugs having a carbothionamido group by decomposition with acid. Tagami S, Maeda H. A method to determine drugs having a carbothionamido group using an ammonia gas-sensing electrode is described. To obtain analytical accuracy, the effect of factors that influence the potential is also discussed. Ethionamide or …

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Ammonia Gas Sensing Electrode - Matrix Technochem

Ammonia Gas Sensing Electrode. Body : ABS: Parameter : NH3: Reference : Ag/AgCl Sealed Gel: Temp Range : 0°C – 50°C: pH Range : Samples & standards must be adjusted above pH 11: Measuring Range : 5 x 10-7 to 1 M, to 17,000 ppm as ammonia (NH3), to 14,000 ppm as nitrogen (N) Interfering Ions : Volatile Amines: Electrode resistance : Less than GΩ: Cable Length : 1m. …

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Potentiometric Sensor Based on Chromium Vanadate Sensing ...

· prospect as an ammonia sensing electrode for potentiometric gas sensor at elevated temperature. Experimental Preparation of the CrVO 4 powder.—CrVO 4 powder was synthesized by conventional co-precipitation method with main reagents of chromium (III) nitrate nonahydrate (Cr(NO 3) 3·9H 2O, AR), ammonium metavanadate (NH 4VO 3, AR), sodium hydroxide (NaOH, AR) and …

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Enzyme Immunoassay Using the Ammonia Gas-Sensing Electrode ...

The ammonia gas-sens ing electrode is one example and has the capability of detecting enzymes that catalyze ammonia producing reactions. Meyerhoff and Rechnitz (1979) first described the application of this gas-sensing electrode to EIA measurements through the use of a urease label for bovine serum albumin (BSA), a model protein analyte, and for cyclic AMP (adenosine monophosphate). In this chapter the general application of the ammonia gas-sensing electrode …

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