QUÉ SIGNIFICA CRYOSCOPY EN INGLÉS
Depresión del punto de congelación
La depresión por punto de congelación describe el proceso en el que la adición de un soluto a un disolvente disminuye el punto de congelación del disolvente. Los ejemplos incluyen sal en agua, alcohol en agua o la mezcla de dos sólidos tales como impurezas en un fármaco finamente pulverizado. En tales casos, el compuesto añadido es el soluto, y el sólido original puede considerarse como el disolvente. La solución resultante o la mezcla sólida-sólida tiene un punto de congelación inferior al del disolvente o sólido puro. Este fenómeno es lo que hace que el agua de mar (una mezcla de sal (y otras cosas) en el agua) permanezca líquida a temperaturas por debajo de 0 ° C (32 ° F), el punto de congelación del agua pura.
definición de cryoscopy en el diccionario inglés
La definición de crioscopia en el diccionario es la determinación de puntos de congelación, especialmente para la determinación de pesos moleculares midiendo la disminución del punto de congelación de un solvente cuando se agrega una cantidad conocida de soluto.
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10 LIBROS DEL INGLÉS RELACIONADOS CON «CRYOSCOPY»
Descubre el uso de
cryoscopy en la siguiente selección bibliográfica. Libros relacionados con
cryoscopy y pequeños extractos de los mismos para contextualizar su uso en la literatura.
1
Modern Methods of Polymer Characterization
Cryoscopy Cryoscopy has not been used much for measuring Mn of polymers.
Reasons include the lack of commercially available equipment designed for use
with polymers and practical difficulties associated with performing cryoscopic ...
Howard G. Barth, Jimmy W. Mays,
1991
2
Thermal Analysis of Polymeric Materials
... AT must be calibrated with known standards. Figure 1 .67 shows a schematic
of a simple, but effective set-up for cryoscopy. the method for the measurement of
the freezing point lowering. Cryoscopy is perhaps the easiest of the molar mass ...
Bernhard Wunderlich,
2005
3
Polymer Molecular Weights, (2 Part)
CRYOSCOPY Cryoscopy is another of the classical methods for molecular
weight determination. As in the case of ebulliometry, cryoscopy has undergone
improvements in recent years owing to an increased interest in polymer
properties.
mixed-valent clusters NMR and cryoscopy, 255 X-ray structure, 251–252 Na2O-
complexed clusters NMR and cryoscopy, 253–255 X-ray structure, 246–251
reactivity Li2O-filled clusters vs. mixed-valent clusters, 257 Na4–dication cluster,
...
5
Essentials of Reservoir ...
The high degree of fractionation gives accurate component distributions for
mixtures. 2.10.4.5 Cryoscopy Cryoscopy is a technique for determining the
molecular mass of a solute by dissolving a known quantity of it in a solvent and
recording ...
6
The Chemistry of Nonaqueous Solvents V4: Solution Phenomena ...
CRYOSCOPY: “NORMAL SOLUTES” AND INORGANIC SALTS Cryoscopy is the
simplest way of finding the number of molecules produced per molecule of solute
. Chemically reactive solvents such as SbCla, however, cause several ...
7
Solution and Solid-state Studies of Alkali Metal Aggregate ...
In order to study 3.7 by cryoscopy, dioxane was chosen as the solvent, due to the
more common cryoscopic solvents benzene and cyclohexane yielding only an
insoluble precipitate. Dioxane also has the advantage in this study of having a ...
8
The Elements of Polymer Science & Engineering
The equipment is relatively simple. Problems include the elimination of
supercooling and selection of solvents that do not form solid solutions with
solutes and do not have solid phase transitions near their freezing temperatures.
Cryoscopy is ...
Alfred Rudin, Phillip Choi,
2012
9
Organometallic Syntheses: Nontransition-Metal Compounds
... Method Reference CH 3CH zLi Vapor 4 and 6 Mass spectrometry a (C6H5)
3CLi'TMEDA Solid 1 X-ray analysis b (CH 3)zBe Solid Polymer X-ray analysis c (
CH 3CH z)zBe Benzene 2 Cryoscopy d (tert-C4H9)zBe Vapor 1 Electron
diITraction ...
The important colligative effects that are used for molar mass determination are
boiling point elevation (ebulliometry), freezing point depression (cryoscopy) and
Method Result Comments osmotic pressure (membrane osmometry). Ebullio- ...
NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «CRYOSCOPY»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
cryoscopy en el contexto de las siguientes noticias.
Advanced Instruments Delivers World-Leading Dairy, Food Products …
From cryoscopy and pasteurization testing, to component analysis and microbiological profiling, Advanced Instruments and its subsidiaries, ... «PR Web, Jun 06»