MOTS EN ANGLAIS EN RAPPORT AVEC «AUXOCHROME»
auxochrome
chemistry
chromophore
group
atoms
attached
which
modifies
ability
that
absorb
light
they
themselves
fail
produce
colour
when
present
along
with
chromophores
organic
compound
intensifies
auxochrome
meaning
encyclo
results
from
encyclopedia
glance
define
radical
color
substance
origin
auxo
chrome
related
forms
auxochromic
adjective
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auxanein
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wiktionary
plural
obsolete
added
causes
bathochromic
difference
between
word
arising
10 LIVRES EN ANGLAIS EN RAPPORT AVEC «AUXOCHROME»
Découvrez l'usage de
auxochrome dans la sélection bibliographique suivante. Des livres en rapport avec
auxochrome et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
Auxochrome A covalently saturated group which, when attached to a
chromophore, changes both the wavelength and the intensity of the absorption
maximum is known as auxochrome, e.g. NH2, OH, SH, halogens etc.
Auxochromes generally ...
2
Light:Its Interaction with Art and Antiquities
Organic dyes were said to have a chromophore and an auxochrome group
separated by a polyene, although some dyes have the chromophore group, but
no auxochrome group. The chromophore is an organic functional group that acts
as an ...
3
Foundations In Microbiology
"Stain is defined as an organic compound containing both chromophore and
auxochrome groups linked to benzene ring." Thus, the stain consists of three
components : i. Benzene ring or aromatic ring ii. Chromophore group iii.
Auxochrome ...
4
Fundamentals of Molecular Spectroscopy.
Auxochrome. A saturated group with non-bonded electrons when attached to a
chromophore alters both wave length and intensity of the absorption is called an
auxochrome e.g., - OH, - NH„ - C1, -SO,NHv The auxochrome though by itself is ...
5
Pharmaceutical Analysis: A Textbook for Pharmacy Students ...
Procaine: amino. group. auxochrome. Figure 4.10 shows the UV absorption
spectra of a solution of procaine in 0.1 M HCl and 0.1 M NaOH. In procaine, the
benzene chromophore has been extended by the addition of a C1⁄4O group, and,
...
German chemist O.N. Witt (1876) suggested the Chromophore-Auxochrome
theory for coloured organic compounds. The various terms defined accordingly
are as follows: Chromophores (In Greek, chroma means colour and phoron
means ...
BHUPINDER MEHTA, MANJU MEHTA, 2005
Some of the important characteristics of auxochrome are: (i) An auxochrome
does not give rise to absorption band of its own but when conjugated to a
chromophore, both the intensity and wavelength of absorption band are changed
. (ii) It may ...
8
Medical Laboratory Science : Theory And Practice
S. Auxochrome J group Quinonoid ring /* Chromophore group nh,+ J a" f t (a)
Basic fuchsin Acid radicle Table 6.1 Cl number and solubility table of some
common. Fig. 6.2 Example of quinonoid dyes. is colourless; and vice- versa for
acid dyes.
9
Fibre Science and Technology
azo gr. (auxochromes) (chromophore) - (chromophore) (auxochrome) Sodium
sulfonate groups (each an auxochrome) (I) An acid dye (C.l.44075) (acid blue 86)
a chromophore (amino grs each an auxochrome) (quinoid gr. a chromophore) ...
10
The Chemistry of Dyestuffs: A Manual for Students of ...
The auxochrome character of the hydroxyl group becomes more apparent by salt
formation with bases. The replacement of hydrogen by alkyl or aryl groups also
influences auxochrome groups. Indo- phenol H2N — C6H4 — N = C6H4 = 0 is ...
2 ACTUALITÉS CONTENANT LE TERME «AUXOCHROME»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
auxochrome est employé dans le contexte des actualités suivantes.
How Optical Illusions Help Restore Art
Give a pigment a bit of auxochrome and you get the best color possible. These methods are the ways that you make dyes." Roemich is a ... «Gizmodo, avril 14»
Frida Kahlo & Diego Rivera: Masterpieces from the Gelman …
Her Chromophore, Auxochrome (1944) – an encoded portrait of herself and a lover – might have been made by Damien Hirst. Without Kahlo's ... «The Independent, juil 11»
