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Evaluation of derris root

✍ Scribed by Edwards, Karl B.

Publisher
Wiley (John Wiley & Sons)
Year
1942
Weight
453 KB
Volume
61
Category
Article
ISSN
0368-4075

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✦ Synopsis

EDWARDS

Tho nuthor maintoins tlint the tlisclrpnncies in dotrrmiimtiorr of rotenone betawn conipetent nnnlysts nro w r y lnrgely nssocinted with errora in sampling, nnd R rensonnbly nccurnto tiietliod of sonipling is given. Tho proposed stnntlnrd method of dcterminirig rotmono in dorria root giwn by Coomhr, Mnrtin, nnd Hnrper (J.S.C.I.. 1042, 61, 110) is criticised nnd ' rejected ns unrelinblc, unsound in tnnny respects, nnd ns laving uncluo stmes on npprntus with omission of otlier pointa of grcnter Lnportnnw. Tho mothod used in umpire n n n l p s by tho nutlior is given.

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