A simple and rapid method for the quanti
β
P.G. Roughan
π
Article
π
1967
π
Elsevier Science
π
English
β 863 KB
The method described here is essentially a modification of the method of Dilley and Crane (1) but has the advantages of greater speed and simplicity and gives higher recoveries. ## MATERIALS Benzene, petroleum ether (S&80), diethyl ether, absolute ethanol, and acetone were all analytical reagent