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Pyrethrin and Gallotannin in the Flowers of Peony

✍ Scribed by CHMIELEWSKA, I.; KASPRZYK, Z.


Book ID
109625219
Publisher
Nature Publishing Group
Year
1962
Tongue
English
Weight
120 KB
Volume
196
Category
Article
ISSN
0028-0836

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## Abstract The Martin‐Brightwell modification of the Wileoxon‐Holaday mercury reduction method, which was drawn up for the evaluation of pyrethrum preparation in mineral oil containing o% of total pyrethrums, have been critically examined and modified to give accurate results for dilute preparatio