Download scientific diagram | The antimony electrode used with the Soil pH Manager (length: 120 mm, diameter: 12 mm). from publication: Soil pH Mapping with an On-The-Go Sensor | Soil pH is a key ...Web
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A new antimony pH electrode by employing magnetron sputtering Sb thin film on copper substrates inlaying in printed circuit board (PCB) was developed. To improve the performance of the electrode ...Web
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The measured cell voltage of the antimony electrode against a reference electrode is disturbed by reducing and oxidizing agents in the solution – a problem of all metal electrodes. pH iso of the highly asymmetric cell (see Figure 1-c) lies at a negative pH value of -3. In alkaline solutions the bismuth electrode was described . Approximately ...Web
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The final microscale pH sensor, shown in Fig. 2(e), comprises a Ag/AgCl reference electrode and the Sb-NW network as the solid state pH electrode well separated by the SiO 2 isolation layer. The optical image in Fig. 2(f) shows the final microscale pH sensor with two Ag pads treated with FeCl 3 and thereby converted to Ag/AgCl. When a …Web
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To date, a number of metal oxide-based electrodes have been developed to measure the local pH distribution, mainly based on antimony/antimony oxide microelectrodes and iridium oxide ...Web
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A new technique for manufacturing single-barreled and double-barreled antimony pH microelectrodes is described. The results of investigations into the accuracy of antimony as a pH sensor disclosed that the pH-voltage response is: 1) within the …Web
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Design of high-performance antimony/MXene hybrid electrodes for sodium-ion batteries ... and centrifuged 5–6 times until the pH value of the solution was 6. The powder was finally dried under vacuum at 80 °C overnight. For the synthesis of MX_HF30, treated with a 30 mass% hydrofluoric acid solution, the procedure is similar to the …Web
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The pH-sensitive electrode like antimony electrode is fairly strong and used wherever the electrode is necessary to be strong, although it has huge limitations. Antimony electrode is appropriate for PH test of solution with hydrofluoric acid. Antimony is an exclusive metal with direct relationship characteristic in between pH & its measured ...Web
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Only the antimony pH electrode has survived out of various metal electrodes. Antimony is chemically resistant to hydrofluoric acid and can therefore be used for the pH measurement in solutions containing …Web
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The antimony electrode is simply a piece of pure antimony rod (~12 mm diameter, 140 mm long), ... and even the fragile glass electrodes of years ago with their limited alkaline range displaced the antimony electrode when accurate pH measurements were required. Modern glass electrodes are excellent in respect of robustness and range, and ...Web
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ANTIMONY BASED ELECTRODES FOR ANALYTICAL ... hydrochloric acid (pH 2.0), in the concentration range 0.3–2 ppm being 1 ppm the most common, and Sb is codeposited onto the bare glassy carbon electrode together with the target metal /metals [7, 9, 12-13, 15-17, 23-24, 30-31]. The potential and the time ofWeb
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Reference electrodes The whole pH measuring circuit (fig. 4) consists of a measuring electrode (glass electrode; fig. 2) and a reference electrode (fig. 5), which are both immersed in the same solution. In order to obtain a definite pH value the reference electrode must have a defined stable potential which is independent of the measured …Web
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The soil pH sensor uses antimony as the sensing electrode and an in-house developed, novel solid reference electrode. The solid reference electrode is made by coating KCl saturated Araldite on the ...Web
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pH Antimony Electrode Antimony is a unique metal with the characteristic of a direct relationship between pH and its measured potential. The potential difference or voltage developed between antimony and a copper/copper …Web
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Antimony electrodes are clinically useful because of their low cost and simple construction; they have no glass to break. There is only a few hundred ohms resistance between an antimony pH electrode and the reference electrode so that the voltage generated can be recorded with simple low-impedance recorders linked to microcomputers.Web
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A new antimony pH electrode by employing magnetron sputtering Sb thin film on copper substrates inlaying in printed circuit board (PCB) was developed. To improve the performance of the electrode ...Web
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Restech® pH probe (Respiratory Technology Corp., San Diego, CA, USA) contains a newly developed pH sensor based on proven antimony technology. The antimony sensor changes voltage potential ...Web
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Antimony electrode for the determination of the intramyocardial pH during open-heart surgery. Clinical Physics and Physiological Measurement 1992, 13 (4), 335-347.Web
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The authors state that electrodes of the same purity show no significant difference in pCO 2 sensitivity when used as pH basic electrodes, whereas electrodes …Web
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A new antimony pH electrode by employing magnetron sputtering Sb thin film on copper substrates inlaying in printed circuit board (PCB) was developed. To improve the performance of the electrode ...Web
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The sensitivity of porous antimony electrodes for the detection of heavy metals ions is reported to be three times higher than that of the non-porous ones . ... (pH = 2). Three-electrode system was used to carry out electrochemical tests on PG STAT-101 potentiostat provided by AUTOLAB and powered by NOVA software. Deposition …Web
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A new antimony pH electrode by employing magnetron sputtering Sb thin film on copper substrates inlaying in printed circuit board (PCB) was developed. To improve the performance of the electrode, nafion membrane was employed as an alternative modification layer. The layer was formed simply by drop casting 5 wt% nafion solutions …Web
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• Antimony Electrodes – specifically designed for resistance to HF acid as they do not contain glass. These can generally tolerate up to 5% HF acid concentration. …Web
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The slope of the line is 54.9 mV/pH unit, which falls in the middle of sensitivity range of 51–59 mV/pH for antimony electrodes (Galster, 1991), much closer to 59 mV/pH calculated by the Nernst Equation, compared with antimony oxide electrode fabricated by other method reported (Capelato et al., 1996). Download : Download full …Web
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If the antimony electrode is to accurately determine the pH of a biological fluid, the pH calibration solutions must closely resemble the unknown biological fluid with respect to temperature, PO2, PN2, and types of buffering anions. A new technique for manufacturing single-barreled and double-barreled antimony pH microelectrodes is described. The …Web
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Antimony Electrode. Since the electrode potential of antimony metal is a function of the pH of the soil (or solution) that the metal is contacting, a measure of the soil (or solution) pH level can be obtained by determining the potential difference (voltage) between an antimony electrode and a second electrode of known "fixed" electrode potential.Web
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H512 Journal of The Electrochemical Society, 161 (9) H512-H516 (2014) Determination of Trace Antimony by Square-Wave Adsorptive Cathodic Stripping Voltammetry at an Ex Situ Prepared Bismuth Film Electrode Jiali Su, aShangwei Zhong, Xiangjun Li,a, zand Hong Zoub, aCollege of Chemistry and Chemical Engineering, …Web
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Section snippets Materials. High-purity antimony powder (Sb, 99.5 %) and sulfuric acid are purchased from Shanghai Aladdin Reagent Co., ltd., all-solid Ag/AgCl reference electrodes, standard buffers in pH 4.00 (HOOCC 6 H 4 COOK), 6.86 (KH 2 PO 4, NaH 2 PO 4), 9.18 (Na 2 B 4 O 7 ·10H 2 O) and pH potentiometers are bought from the …Web
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