ÉTYMOLOGIE DU MOT PHTHALEIN
From phthal-, shortened form of naphthalene +-in.
MOTS EN ANGLAIS EN RAPPORT AVEC «PHTHALEIN»
phthalein
dyes
test
reaction
purple
indicator
fusion
phenolphthalein
ˌfiːnɒlfˈθeɪliːn
chemical
compound
with
formula
often
written
phph
shorthand
notation
used
titrations
turns
colorless
acidic
phthalein
wiktionary
edit
noun
plural
phthaleins
organic
chemistry
range
lactones
formed
phenols
phthalic
anhydride
define
group
compounds
treating
from
certain
important
derived
meaning
pronunciation
translations
medical
merriam
webster
various
xanthene
fluorescein
intensely
colored
alkaline
seen
heard
what
made
want
look
defined
yourdictionary
t̸hal′ēn′
ft̸hal′
synthetic
manufactured
origin
definitions
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found
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where
phtha
〈n
10 LIVRES EN ANGLAIS EN RAPPORT AVEC «PHTHALEIN»
Découvrez l'usage de
phthalein dans la sélection bibliographique suivante. Des livres en rapport avec
phthalein et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Orcin-Sulphon-
Phthalein and the Action of Phosphorus ...
This is a reproduction of a book published before 1923.
Joseph Elliott Gilpin, 2011
2
Competition Science Vision
–O N — — — —O Na+ Sodium salt of phenol indophenol (Deep blue) ➠
Phthalein reaction—When phenols are heated with phthalic anhydride in
presence of conc. H2SO4 or anhydrous zinc chloride, phthaleins, with
characteristic colours, ...
3
Handbook of Acid-Base Indicators
R. W. Sabnis. A B C D E F G H I J K N M α-NAPHTHOLPHTHALEIN Other Names
1,1′-Naphthol-4,4′-phthalein; Phthalide, ... α-Naphthol- phthalein; 1-
Naphtholphthalein; 3,3-Bis(4-hydroxy-1-naphthyl)-1,3-dihydroisobenzofuran-1-
one; ...
4
Handbook of Soil Analysis: Mineralogical, Organic and ...
Main coloured indicators available in the range of pH of soils common name
chemical name acid form pH transition basic form thymol blue thymol sulphone
phthalein red 1.9 orange yellow dinitrophenol 2,6 ou 2,4 dinitrophenol colourless
3.1 ...
Marc Pansu, Jacques Gautheyrou, 2007
5
Leather Processing & Tanning Technology Handbook
Niir Board Of Consultants & Engineers. Table 1 Clark and Lubs' List of Indicators
Con- Chemical name. Common name. centra- Colour change. Range Hon. pH.
Thymol sulfon phth- alein (Acid range). Tetra bromo phenol sulfon phthalein.
Niir Board Of Consultants & Engineers, 2009
6
College Practical Chemistry
... Liebermann nitroso reaction and phthalein test). Some phenols react in a
different way with ferric chloride, e.g., hydroquinone is oxidised to quinone which
forms a dark green solid of quinhydrone with unreacted hydroquinone. Oxid" Fed
...
V K Ahluwalia, Sunita Dhingra, Sunita Dhingra, 2005
7
Competition Science Vision
ZnClj -H2O Phthalic anhydride H O Phenolphthalein Phthalein reaction is a
diagnostic test for phenols. Phenolphthalein is used an important indicator in acid
-base titrations. When treated with alkali, it undergoes an interesting colour
change.
8
Chemistry for Textile Students
About 5 grams of the substance are weighed out accurately, dissolved and made
up with distilled water to too c.c. 25 c.c. of this liquid are measured out into a large
porcelain dish, 3 or 4 drops of phenol phthalein are added, and the liquid ...
Jewel, Jewel Raul. APPENDIX -V pH intervals over which indicators change
colour APPENDIX -VI Specific gravities of ammonium hydroxide at 15°C {Lunge.
Indicator change Methyl violet Metaniline yellow Thymolsulphone phthalein ...
10
Together With Chemistry Lab Manual-Xii
(d) Phthalein test. Take 0.1 g of the organic compound in a dry test tube. Add to it
0.1 g of phthalic anhydride and 2-3 drops of conc. H2SO4. Heat over a small
flame for 2 minutes. Pour the contents of the test tube into a beaker containing an
...
2 ACTUALITÉS CONTENANT LE TERME «PHTHALEIN»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
phthalein est employé dans le contexte des actualités suivantes.
Coppell middle-schooler advances to Scripps National Spelling Bee …
... others fell in defeat to “laconism,” “phthalein” or “mucedinous.” Smrithi cruised through her spelling of “wasteweir,” another word for spillway. «Dallas Morning News, mai 15»
Numbered graves for Pablo's and Sendong's unidentified dead; Still …
... cemetery in Purok 4, Barangay Cabinuangan, rows and columns painted in phthalein blue with the initials “PNB,” followed by numbers. «Minda News, nov 14»
