ETYMOLOGY OF THE WORD PHTHALEIN
From phthal-, shortened form of naphthalene +-in.
10 ENGLISH BOOKS RELATING TO «PHTHALEIN»
Discover the use of
phthalein in the following bibliographical selection. Books relating to
phthalein and brief extracts from same to provide context of its use in English literature.
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 NEWS ITEMS WHICH INCLUDE THE TERM «PHTHALEIN»
Find out what the national and international press are talking about and how the term
phthalein is used in the context of the following news items.
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, May 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»
