𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Pyrethrum Flowers

✍ Scribed by S.


Book ID
112735229
Publisher
Springer
Year
1935
Tongue
English
Weight
191 KB
Volume
11
Category
Article
ISSN
0003-6307

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Constituents of Pyrethrum Flowers
✍ Haller, H. L.; Acree, Fred πŸ“‚ Article πŸ“… 1935 πŸ› American Chemical Society βš– 306 KB
The analysis of pyrethrum flowers
✍ Mitchell, W. M. ;Tresadern, F. H. πŸ“‚ Article πŸ“… 1949 πŸ› Wiley (John Wiley & Sons) βš– 577 KB

## Abstract It is shown that in the assay of pyrethrum flowers the customary use of warm solvent (soxhlet) gives erroneously high results for pyrethrin II, especially when the higher‐boiling grades of ligroin are used. Cold extraction gives lower results for pyrethrin II, and largely eliminates the

Sesquiterpene lactones from pyrethrum fl
✍ Yutaka Sashida; Hiroyuki Nakata; Hiroko Shimomura; Mitsuko Kagaya πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 389 KB