Zobrazeno 1 - 10
of 67
pro vyhledávání: '"M Petit-Ramel"'
Publikováno v:
Adsorption Science & Technology, Vol 20 (2002)
Eucalyptus barks harvested in Lebanon were used for the adsorption of pollutants such as heavy metal ions and dyes. Washing with water or pretreatment with formaldehyde was performed on the bark powder. The adsorption capacity of this material toward
Externí odkaz:
https://doaj.org/article/ecd06b56f0d54fb6a75a943b8c4c2142
Publikováno v:
Chemistry and Ecology. 19:263-273
The effect of phthalic acid (benzene 1,2 dicarboxylic acid), a surrogate compound for natural organic matter, and of humic acid, on the adsorption of chromium to the surface of minerals was observed. In ternary systems involving phthalic acid, chromi
Publikováno v:
Canadian Journal of Chemistry. 73:1338-1347
The aim of this work was to compare calcium sequestering behaviour of 11 carboxylic acids derived from carbohydrates, and to study the influence of molecular structure on the calcium complexation. For this purpose, various carboxylic acids derived fr
Publikováno v:
Journal de Chimie Physique. 92:13-21
Chiral calix[4]arenes bearing (R) - (+) or S - (-) (methoxymethyl)-pyrrolidin groups (MMP) on the upper ring are synthesized. The conformation is studied by 2D 1 H NMR and by High Temperature Annealed Molecular Dynamics Simulations. A new conformatio
Publikováno v:
International Journal of Cosmetic Science. 16:113-120
Summary Measurements were carried out on 19 commercial cosmetic samples. Initially, their anti-infrared properties were quantified, in vivo, on healthy volunteers, by measuring variations in the Colorimetric Erythema Index ΔCEI, before and after app
Publikováno v:
Zeitschrift für Kristallographie - Crystalline Materials. 209:536-538
Silver(I) nicotinate C5H4NCO2Ag (A) is orthorhombic, P212121, (no. 19) with a = 3.646(1) Å, b = 7.734(1) Å, c = 20.433(3) Å, V = 576.2(3) Å3, Mr = 229.97, Z = 4, Dc = 2.65 g · cm−3, while silver(I) isonicotinate (C5H4NCO2H) (C5H4NCO2)Ag, 4H2O
Publikováno v:
Canadian Journal of Chemistry. 56:1919-1927
The stability and optical constants of the copper malates [CuH2Mal]+, [CuHMal], [CuH2Mal2]2−, [CuMal]−, [Cu2Mal2]2− and [CuH−1,Mal]2− have been fitted by a pit-mapping method, which also gives their confidence limits, from potentiometric, v
Publikováno v:
Journal of Inorganic and Nuclear Chemistry. 41:915-920
The interactions between copper ions and various α- l -glutamic polyacids (DP 6,27,50,300) has been studied, in aqueous solution with an external salt NaClO 4 0.1 M at 25°C. Both measurements of pH and p Cu allow, according to Bjerrum's and Marinsk
Publikováno v:
Biopolymers. 18:2341-2351
Four oligomers of α-L-glutamic acid with ends blocked by nonionizable protecting groups were studied in 0.1M NaClO4 solution using potentiometric measurements. The titrations were analyzed using a pit-mapping method. The results are compared with th
Autor:
L. Mosoni, M. M. Petit-Ramel
Publikováno v:
Fresenius' Zeitschrift für analytische Chemie. 313:544-547
The stability constants of the complexes of uranyl and neodymium ions with glutamic acid are determined pH-metrically in 0.1 M NaClO4 solution at 25° C. In both cases protonated complexes are formed in significant concentrations. A new MA complex is