Electrochemistry in the Quality Control of Food and Beverage Packaging
14 May 2015The shelf life of foods and beverages depends to a great extent on the packaging material. Metals are ideally suited for this purpose, as they can be coated with different passivating food-grade layers. In this white paper, electrochemical measurements such as impedance spectroscopy were used to monitor the integrity of the sealing layers in food and beverage packaging.
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Autolab PGSTAT101
Metrohm AGThis is the smallest member in the Autolab range of electrochemical instruments: the Autolab PGSTAT101. In combination with the powerful NOVA software it can be used for most of the standard electrochemical techniques. The PGSTAT101 is an affordable potentiostat/galvanostat without compromising on quality and specifications, making it an ideal instrument for students and educational purposes.The small footprint allows you to place a high quality potentiostat/ galvanostat on a crowded workbench. Analog and digital inputs and outputs for interfacing and controlling Autolab accessories and external devices are available.The Autolab PGSTAT101 comes with an internal dummy cell and is 9 x 21 x 15 cm3 for 2.1 kg.A transport case is available for the PGSTAT101.
Autolab PGSTAT302N
Metrohm AGThis modular high current potentiostat/ galvanostat, with a compliance voltage of 30 V and a bandwidth of over 1 MHz, combined with our FRA2 module, is specially designed for electrochemical impedance spectroscopy. The PGSTAT302N is the succesor of the popular PGSTAT30. The maximum current is 2 A, the current range can be extended to 20 A with the BOOSTER20A, the current resolution is 30 fA at a current range of 10 nA. With a special modification, the PGSTAT302N also offers the possibility to perform Dynamic iR compensation.