This paper describes a new and simple electrode for the determination of bisphenol A (BPA) in different plastic samples using carbon paste electrode (CPE) modified with a trihexyltetradecylphosphonium
Professor N. Andrussow, of Juriew (Dorpat) sent to the author a series of the deposit-samples collected in the Black Sea during the Russian explorations in 1890 and 1891 in the steamships Tschernomore