Results 81 to 90 of about 25,055 (235)
Upper‐Ocean Variability of the Marine Carbonate System in the Northeast Pacific
Global Biogeochemical Cycles, Volume 40, Issue 5, May 2026.Abstract In the Northeast Pacific, the marine carbonate system's variability across timescales is not well constrained. Here, we quantify observed seasonal and non‐seasonal variability in Dissolved Inorganic Carbon (DIC), partial pressure of carbon dioxide (pCO2 ${\text{pCO}}_{2}$) and aragonite saturation state Ωa $\left({{\Omega }}_{a}\right)$ and ...
Ana C. Franco +3 more
wiley +1 more source
DETERMINATION OF TETRAFLUOROBORATE BY POTENTIOMETRIC TITRATION
Вестник Кемеровского государственного университета, 2015 The new method for determination of tetrafluoroborate by potentiometric titration is presented. The method is based on the hydrolysis of the tetrafluoroborate anion in water solutions and it takes into account the appropriate correction factor.
R. Sh. Khaliullin, E. V. Leonteva
doaj
Copper Complexation by Dissolved Organic Matter in arid Soils: A Voltametric Study [PDF]
, 2018 A voltammetric method was used to estimate the complexing capacity of water extracts from both desert soils sampled at the root zone of creosote and salt cedar plants, and in soils from interspace or background regions where no vegetative influence was ...
Hodge, Vernon F., Steinberg, Spencer M.
core +2 more sources
European Journal of Organic Chemistry, Volume 29, Issue 16, 25 April 2026.3D‐printed geopolymers are presented as efficient and reusable heterogeneous catalysts for the Knoevenagel condensation. Under mild and green conditions, they promote the high‐yield synthesis of diverse α‐cyanoacrylates with remarkable stability and scalability.
Francesca T. Albino +5 more
wiley +1 more source
International Journal of Electrochemical Science, 2011 The homologous tallow fatty alcohol and oleyl alcohol ethoxylates were investigated using a PVC liquid surfactant sensor based on 1,3-didecyl-2-methylimidazolium-tetraphenylborate as a sensing element and bis(2-ethylhexyl) phthalate as a plasticizer. The
Dubravka Madunić-Čačić +1 more
doaj +1 more source
Advances in Materials Science and EngineeringThe aim of this work was to evaluate the effect of molybdenum doping on the acidic and catalytic properties of ZrO2 support, the precursor hydroxide of ZrO2 (Zr(OH)4) was synthesized and modified with 5, 10, and 15 wt% of molybdenum, and the synthesized ...
Alberto Hernández-Zapién +5 more
doaj +1 more source
Development of novel redox systems in potentiometry and its application to analytical chemistry [PDF]
, 1996 Potentiometric methods (potentiometry) embrace two types of analyses. One is known as analysis by direct potentiometric measurement using a pH glass electrode and/or an ion-selective electrode. The other type is potentiometric titration.
Teshima Norio, 手嶋 紀雄
core +1 more source
Journal of Excipients and Food Chemicals, 2016 The degree of deacetylation (DDA) of various low molecular weight chitosan (LMWC) species as the hydrochloride and free base (amine form) was determined by direct and back potentiometric titration, respectively.
Kamal Sweidan +5 more
doaj
Acid-base potentiometric titration using a stainless steel electrode without oxidative treatment. [PDF]
Turk J Chem, 2023 Vilasó-Cadre JE +5 more
europepmc +1 more source
Catholyte studies in copper oxide-magnesium thermal cells [PDF]
Catholyte studies in copper oxide-magnesium thermal ...
Thaller, L. H.
core +1 more source