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Nicotine Determination in E-Liquids

Metrohm AG
24 Apr 2019

In this application note, Metrohm presents an affordable and reliable method to determine the nicotine content in e-liquids and their nicotine starting material to help ensure the quality of these products. Non-aqueous acid base titration is a more affordable alternative to the traditional gas or liquid chromatography used for nicotine determination.

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869 Compact Sample Changer

Metrohm AG

The 869 Compact Sample Changer allows rapid and very easy automation of small sample series. With a total of 12 positions, a variety of titrations can be carried out fully automatically with the electrodes being cleaned or conditioned between determinations. The large and clearly arranged display keeps you updated on the status of the sample series. Urgent samples can be preferentially analyzed at any time. Laboratory space is both scarce and expensive – the footprint of the 869 Compact Sample Changer is similar to that of an analytical balance. The advantages of the 869 Compact Sample Changer at a glance: • Economical automation • Space-saving; 11 sample positions • Different method templates • Easy operation

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Optrode Sensor for Titration

Metrohm AG

Sensor for titration with photometric endpoint recognition. Eight wave lengths: 470, 502, 520, 574, 590, 610, 640 and 660 nm 100% solvent-resistant due to glass shaft Compact and space-saving Very easy to clean Easy to change the wave lengths Both new and existing titration systems can be furnished with the optrode. The power supply is provided directly through the USB interface of a Metrohm instrument (Titrino plus, Ti-Touch, Titrando, USB sample changer). With older models without a USB interface, the power supply can also be provided by means of an optional USB power supply unit.

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TitrationTitration is an analytical technique for determining substance concentration in a solution. For titration consider a manual or automated system, volumetric or coulometric reagent addition and indication by a potentiometer, spectrometer, turbidometer or by the Karl Fischer method. Other features of titration to consider include burettes, reagents, concentration range, reaction time and autosamplers.Food and Beverage AnalyzersFood and Beverage Analyzers are commonly used to provide information about the chemical composition, structure and physical properties of food materials.Quality ControlQuality control is needed in all production processes. Quality control is a monitoring procedure or set of procedures that are put in place to ensure that a manufactured product adheres to a defined set of quality criteria. Quality TestingQuality testing ensures that products meet required specifications and safety standards in various industries, including pharmaceuticals, food, and materials. It is essential for maintaining product quality and consumer safety. Explore quality testing tools in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.

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Nicotine Determination in E-Liquids