A commercially available polyvinylidene fluoride flat sheet microfiltration membrane (PVDF, ROTI®, 0.45 µm) was purchased from Carl Roth (Karlsruhe, Germany). In addition, the following chemicals were used: NaOH (1 M), perchloric acid (70%), and buffer solution pH 10 (TITRINORM®) from VWR (Radnor, PA, USA); tert-butyl alcohol (tBuOH, 99.5%) from Alfa Aesar (Karlsruhe, Germany); and nitrous oxide (N2O, 99.95%) from Air Liquide (Düsseldorf, Germany). Glycine, taurine, ethyl sodium sulfate (C2SS), dodecyl sodium sulfate (C12SS, SDS), tetramethylammonium bromide (C1TAB), and octyltrimethylammonium bromide (C8TAB) were obtained from Sigma-Aldrich (St. Louis, MO, USA). Furthermore, 2-aminoethyl methacrylate hydrochloride (AEMA, 90%, stabilized) from Acros Organics (Geel, Belgium) was used. Deionized water of Millipore® quality and EtOH (absolute; Merck, Darmstadt, Germany) were used for all steps. All chemicals were of analytical grade and used without further purification.
Titrinorm
Manufactured by Avantor
Sourced in United States, Belgium
TITRINORM® is a laboratory titration system designed for pH, conductivity, and redox potential measurements. It provides accurate and reliable results for various analytical applications.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using titrinorm
1
PVDF Membrane Fabrication and Characterization
2
Non-Electrolyte Copper Samples Preparation
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Non-electrolyte containing copper samples were prepared via dilution with a NC-solution (100 mM, in ACN), followed by the addition of an EDTA solution (0.1 M, disodium salt in aqueous solution, Titrinorm, VWR Chemicals, Leuven, Belgium). Afterward, ACN and running buffer were added to achieve an ACN concentration of 37.5 vol% for optimal solubility of the Cu + -NC-complex. The concentrations of NC and EDTA in the prepared sample were 12.5 mM, respectively.
Recovering of the electrolyte samples was conducted in a glovebox. The sample preparation with aqueous buffers was performed under inert atmosphere using argon counterflow to prevent oxidation of Cu + (Supporting Information).
Recovering of the electrolyte samples was conducted in a glovebox. The sample preparation with aqueous buffers was performed under inert atmosphere using argon counterflow to prevent oxidation of Cu + (Supporting Information).
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