Results 111 to 120 of about 25,055 (235)

Evaluation of the results of a round robin analysis for oxygen in potassium and sodium [PDF]

Evaluation of various laboratory determination of oxygen in potassium and ...
Barrett, C. A., Zellars, G. R.
core   +1 more source

Elucidating Ionization Behavior: Potentiometric Titration for Precise Determination of pKa Values in Medicinal Chemistry

Pharmata
The determination of pKa values holds paramount importance in the field of medicinal chemistry, serving as a critical parameter for understanding the ionization behavior of pharmaceutical compounds.
Safiye Nihal Aydoğdu, Durişehvar Ünal
doaj  

Točka nul-naboja i površinska gustoća naboja TiO2 u vodenim otopinama elektrolita dobivene potenciometrijskom masenom titracijom [PDF]

, 2006
I Mass titration method was developed as a suitable tool for determination of the point of zero charge (p.z.c.) and surface charge density (σ0) of metal oxide colloid particles at different ionic strengths.
Nikola Kallay, Tajana Preočanin
core   +1 more source

Formation of nickel vanadates as a function of pH

Journal of the Brazilian Chemical Society, 2004
The precise nature of the reaction between hydrochloric acid and sodium ortho-vanadate solution has been studied by means of electrometric techniques involving potentiometric and conductometric titrations.
Prasad Shiva, Leite Valderí D., Santana Renato A. C., Moura Elisângela da S., A. Neto Ambrósio F., Souza Antonio G.   +5 more
doaj  

Adsorption and antibacterial activity of soluble and precipitated chitosan on cellulose viscose fibers [PDF]

, 2012
The aim and novelty of this work was to compare the adsorption of totally-soluble chitosan (acidic solution) against the adsorption of precipitated chitosan, onto cellulose fibers.
Fras Zemljič, Lidija, Ristić, Tijana, Tkavc, Tina   +2 more
core  

QUALITATIVE AND QUANTITATIVE ANALISIS OF ORGANIC ACIDS IN MIXTURE OF MULTIVITAMIN RAW MATERIAL

Разработка и регистрация лекарственных средств, 2019
The article presents the results of a qualitative analysis of organic acids in the mixture of the multivitamin raw material № 2. Thin layer chromatography method was confirmed to contain apple, citric and ascorbic acids.
V. Yu. Zhilkina, A. I. Marakhova, Ya. M. Stanishevskiy   +2 more
doaj  

Nickel binding sites in histone proteins [PDF]

, 2012
Nickel compounds are well known as human carcinogens, though the molecular events that are responsible for this are not well understood. It has been proposed that a crucial element in the mechanism of carcinogenesis is the binding of Ni(II) ions within
Medici, Serenella, Peana, Massimiliano Francesco, Solinas, Costantino, Zoroddu, Maria Antonietta   +3 more
core  

Kinetics of the reactions of the acid anhydrides with aromatic amines in aprotic solvents [PDF]

Work has revealed that diamine derivatives of diphenylmethane (IV), diphenyl ether (V), benzophenone (IV), fluorene (VII), and fluorenone (VIII) polymerizations with pyromellitic dianhydride in DMA were dependent on the basicity of the amine compound ...
Mason, J. G., Sugg, E.
core   +1 more source

Complexometric titration with potenciometric indicator to determination of calcium and magnesium in soil extracts. [PDF]

, 2017
Nota
FRANCISCON, L., GUIOTOKU, M., MAEDA, S., NEIVERTH, C. A., PEREIRA, C. M.   +4 more
core  

Potentiometric titration for the high precision determination of active components in six types of chemical disinfectants. [PDF]

PLoS One, 2018
Liang J, Zhu J, Gong L, Liu X, Wang B.
europepmc   +1 more source