Nicotine content in tobacco

AN-T-208 Nicotine in E-liquids Reliable and affordable determination by potentiometric titration Summary The vaping and electronic cigarette industries have grown impressively in the past decade. Usage among youths has increased from around 1% in 2011 to 10.5–27.5% in 2019 (preteens…

AN-T-167 Isocyanate content of polyurethane raw materials Titration according to EN ISO 14896 for unsaturated polyester resin and polyurethane resin Summary Polyurethane (PU) is a class of very important polymers due to its flexibility and insulating properties. It is used…

AN-T-136 Epoxide equivalents in epoxy resin Reliable determination according to EN ISO 3001 and ASTM D1652 by potentiometric titration Summary The epoxy content of epoxy resins has a strong influence on the reactivity of the resins as well as on…

AN-T-131 Calcium, magnesium, and total hardness in water Automated determination using the Cu-ISE and two different titrants Summary Water hardness is often determined photometrically using two different indicators and while performing the determination at two different pH values. This requires…