Quarterly Journal of the Chemical Society of London |
From inside the book
Results 1-3 of 80
Page 4372
... acid in colourless needles , m . p . 172-174 ° ( Found : equiv . , 172 ; Cl , 20-6 % ) . 4 - Nitrosalicylic Acid ... sulphuric acid , and the dark brown precipitate collected . This was drained and extracted for 1 hour with boiling 90 ...
... acid in colourless needles , m . p . 172-174 ° ( Found : equiv . , 172 ; Cl , 20-6 % ) . 4 - Nitrosalicylic Acid ... sulphuric acid , and the dark brown precipitate collected . This was drained and extracted for 1 hour with boiling 90 ...
Page 4402
... sulphuric - acetic acid test . Crystallisation from benzene - light petroleum ( b . p . 40-60 ° ) gave prismatic needles , m . p . 156-158 ° ( 300 mg . ) , which on further crystallisation from the same solvent and sublimation at 120 ...
... sulphuric - acetic acid test . Crystallisation from benzene - light petroleum ( b . p . 40-60 ° ) gave prismatic needles , m . p . 156-158 ° ( 300 mg . ) , which on further crystallisation from the same solvent and sublimation at 120 ...
Page 4834
... acid . Boiling methanolic sulphuric acid gave an amorphous substance , which however was not unsaturated to tetranitromethane and showed only ketonic absorption in the ultra - violet region . With alkali the ester , like sarverogenin ...
... acid . Boiling methanolic sulphuric acid gave an amorphous substance , which however was not unsaturated to tetranitromethane and showed only ketonic absorption in the ultra - violet region . With alkali the ester , like sarverogenin ...
Contents
Heat of Hydrolysis of Phosphorus Oxychloride and Phosphorus Trichloride | 4086 |
The Vapour Pressure of Aqueous Solutions of Beryllium Sulphate and of Uranyl | 4115 |
Determination of Individual Adsorption | 4123 |
88 other sections not shown
Other editions - View all
Common terms and phrases
acetic acid acetone added alcohol alkaline alkoxide aluminium chloride Amer aniline aqueous sodium atom azoxymethane benzene boiling bond bromine Calc carbon catalyst CH₂ Chem chloroform colourless compound concentration cooled crystallised crystals cyclohexyl decomp decomposition derivative dilute dimethylberyllium dioxide dissolved distilled dried ester ethanol ether evaporated experimental extracted filtered filtrate fluoride formation formed Found fraction frequencies gave give glycol heated under reflux hydrazine hydrochloric acid hydrogen chloride hydrolysis infra-red iodide iodine isolated isomerisation ketone Light absorption light petroleum b. p. liquid m. p. and mixed method methyl mixed m. p. mixture mole molecular molecule needles nitrate nitric acid nitrogen obtained oxide potassium precipitated prepared prisms pteridine reaction requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra sulphate sulphide sulphuric acid Table uroporphyrin vapour vibration washed yellow yield zirconium