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Publikováno v:
Canadian Journal of Chemistry. 30:844-846
2-Methyl-1,4-naphthoquinone (menadione or vitamin K3) has been synthesized labeled with C14 in the methyl group. Starting with 0.2 mc. of radioactive sodium carbonate, the intermediate compounds 2-naphthoic acid-carboxyl-C14, 2-naphthalenemethanol-C1
Autor:
R. V. Phillips
Publikováno v:
ASME 1957 Citrus Engineering Conference.
The Citrus Industry is always interested in finding economies, but it usually takes some stimulus to bring in new methods. The stimulus for handling fresh fruit in bulk from the field to the packing house came during the 1947–48 citrus season, when