Zobrazeno 1 - 10
of 21 718
pro vyhledávání: '"Potentiometric titration"'
Publikováno v:
Yuanzineng kexue jishu, Vol 9, Iss 58, Pp 1930-1942 (2024)
Citric acid (H3Cit), which is an important intermediate chemical in the tricarboxylic acid cycle metabolism of organisms, widely presents in nature and also is added in food and other daily necessities. Due to its strong chelating ability towards hig
Externí odkaz:
https://doaj.org/article/625ae1d3ce2045829533d1d519a59c06
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract A modified carbon paste sensor based on N,N′-(((ethane-1,2-diylbis(oxy))bis(2,1-phenylene))bis(methanylylidene))bis(pyridine-2-amine; BPA Schiff base as Cr(III) selective carrier was fabricated and studied in this work. The proposed sensor
Externí odkaz:
https://doaj.org/article/148fa352d9aa4e43a88ec61a90599197
Autor:
YANG Na1,2, DING Xin-yan1,2, CHANG Hui-juan1,2, MU Hong-shuai1, NI Zi-zhen1,2, LIU Guo-jun1,2, WANG Jin1,2"
Publikováno v:
Hecheng xiangjiao gongye, Vol 47, Iss 4, Pp 290-295 (2024)
Using Na2EDTA solution as titrant, copper ion-selective electrode as indicator electrode, Ag/AgCl electrode as reference electrode, zinc ion content in zinc-containing curing activator was determined by potentiometric titration. The results showed th
Externí odkaz:
https://doaj.org/article/a0f22796f8764382814a5fd43cb9cfb6
Publikováno v:
Molecules, Vol 29, Iss 13, p 2962 (2024)
Chitosan is a biopolymer that can be subjected to a variety of chemical modifications to generate new materials. The properties of modified chitosan are affected by its degree of deacetylation (DDA), which corresponds to the percentage of D-glucosami
Externí odkaz:
https://doaj.org/article/4ca816822d364226944337dd2d35f6d0
Autor:
Natal’ya V. Matveeva, Andrei V. Garmash, Mikhail A. Shishkin, Alexey A. Dymov, Olga B. Rogova, Dmitry S. Volkov, Mikhail A. Proskurnin
Publikováno v:
Soil Systems, Vol 8, Iss 2, p 63 (2024)
Potentiometric titration in a fast and simultaneously high-resolution modality was proposed for the identification and quantification of protolytic groups of variable strength at the surface of primary soil particles. The method is implemented by tit
Externí odkaz:
https://doaj.org/article/c1b93217e6134d8c9167fc8feb0f5a8d
Publikováno v:
BMC Chemistry, Vol 17, Iss 1, Pp 1-9 (2023)
Abstract Three smart carbon paste electrodes were fabricated to quantify dorzolamide hydrochloride DRZ, including conventional carbon paste I, modified carbon paste embedding Silica II, and modified carbon paste embedding β-cyclodextrin III. This st
Externí odkaz:
https://doaj.org/article/ac6e490d734243eaaeceb1b934b67f3c
Publikováno v:
He huaxue yu fangshe huaxue, Vol 45, Iss 3, Pp 209-215 (2023)
This work concerns the electrochemical behaviors of La3+ on W electrodes in the LiCl-KCl-LaCl3 molten salt at 723-813 K. The results show that La3+ is reduced at about -2.04 V(vs. Ag/AgCl) on inert W electrode, which is a one-step three-electron tran
Externí odkaz:
https://doaj.org/article/1bdf45c2daf24e7487e0d1813d9dc65b
Autor:
M. Anwar, Dina A. Emarah
Publikováno v:
Applications in Engineering Science, Vol 15, Iss , Pp 100134- (2023)
Numerous research has investigated the effects of blast furnace slag as a cementitious or substitute cementing material on the characteristics of concrete. Blast furnace slag cement (BFSC) shows promise in the concrete permeability domain, where this
Externí odkaz:
https://doaj.org/article/149e7bf5bf5342a490becc73aca8eb4d
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