Repository logo

Browsing by Author "Bukowska, Andżelika"

Filter results by typing the first few letters
Now showing 1 - 2 of 2
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Impact of selected parameters on extraction of indium from LCD screens
    (Wydawnictwa AGH, 2017) Stępień, Michał; Palimąka, Piotr Robert; Bukowska, Andżelika
    Due to the minute availability of indium and its crucial importance to the world economy, it is necessary to find alternative sources of this metal. As a large proportion of indium production is consumed for the purpose of LCD screen manufacturing, it seems reasonable to investigate their recycling leading to the recovery of this metal. The present work investigates the impact of time, temperature, and the concentration of sulfuric acid on the effectiveness of indium extraction from milled LCD panel glass scrap originating from portable computers manufactured between 2005 and 2012. The conclusion of our research defines the optimal conditions for extraction.
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Influence of $Ho^{+}$ ions for quantitation of iron (Fe) in 0.1 M HCl solution using microwave plasma-atomic emission spectrometry (MP-AES)
    (Wydawnictwa AGH, 2018) Stępień, Michał; Bukowska, Andżelika
    During research work in the Non-Ferrous Metals Department on AGH University of Science and Technology concerning new corrosion inhibitors for iron alloys in magnetic fields, Ho?+ ions were proposed as one of the new inhibitors. One of the methods for determining the rate of the corrosion process is determining the concentration of Fe ions in a solution. Due to the required high precision of determining the concentration of Fe ions in a solution contains Ho?+ ions with a wide range of concentrations, the influence of the matrix effect and interferences of Ho?+ ions must be known. The present work investigates the impact of Ho ions within a range of 0 to 100 mg/L for the quantitation of Fe ions in a 0.1 M HCl solution using the MP-AES method. The obtained results were analyzed using the single-factor ANOVA method. In a range of up to 40 mg/L, Ho?+ ions are not a significant factor to determining the Fe concentration by MP-AES.