๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

ADDITION OF DIPHENYLPHOSPHINE TO MALEIC ANHYDRIDE AND RELATED COMPOUNDS

โœ Scribed by Van Doorn, J. A.; Wife, R. L.


Book ID
120035857
Publisher
Taylor and Francis Group
Year
1990
Tongue
English
Weight
436 KB
Volume
47
Category
Article
ISSN
1042-6507

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2. A mixture of KH[PH03] and 40% H F (molar ratio 1 : 1.5) is evaporated to dryness over P4O10 and KOH in a vacuum desiccator. After a few days, the crystalline mass (or sometimes syrup) is extracted with methanol as above. Method 1 is superior to the other. Elemental analysis (K, P, F) confirmed t