Technical Data: Quantification of Arsenic in Water Using Gold Wire Electrodes
scTRACE Gold
Example of analysis using the latest arsenic measurement electrode that does not use mercury (available for free download)
● Voltammometric analysis (VA) without the use of mercury ● Measurement with a single electrode ● Capable of measuring both trivalent and divalent arsenic * Demo units are available. Sample testing can be conducted. Please feel free to contact us.
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basic information
Arsenic is present in low concentrations throughout the Earth's crust. However, under special conditions, high-concentration deposits of arsenic can occur (including deposits of volcanic rocks, phosphates, and sulfides). Arsenic leaches from these deposits as arsenite (AsO33-) or arsenate (AsO43-), contaminating groundwater. In addition to natural sources, industrial and agricultural activities contribute to arsenic-related water pollution. The WHO recommends that the concentration of arsenic in drinking water should be below 10 μg/L. This report describes the quantification of arsenic in water samples using anodic stripping voltammetry with the scTRACE Gold sensor. Furthermore, it can distinguish between total arsenic concentration and As(III) concentration. With a deposition time of 60 seconds, the detection limit for total arsenic concentration is 0.9 μg/L, and the detection limit for As(III) concentration is 0.3 μg/L.
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Applications/Examples of results
● Water, well water, lake water, river water, industrial wastewater, waste liquid, seawater, ● Food, drinking water, raw materials, pharmaceuticals
Detailed information
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Arsenic measurement dedicated electrode. A gold wire electrode that does not use mercury. A maintenance-free electrode that does not require replenishment of internal liquid.
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797VA Computrace Automates dilution and sample dispensing by connecting to an electric burette.
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Company information
Metrom AG, based in Herisau, Switzerland, is a leading company specializing in ion analysis with over 70 years of history. It provides products and services in more than 140 countries worldwide. Based on Swiss technology developed over many years, the equipment comes with a 3-year warranty.
