𝔖 Bobbio Scriptorium
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The crop protection products approval scheme. III.—the role of the government chemist in the administration of the scheme

✍ Scribed by J. King

Publisher
John Wiley and Sons
Year
1955
Tongue
English
Weight
344 KB
Volume
6
Category
Article
ISSN
0022-5142

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A method is described for the rapid determination of copper, iron, manganese and zinc on separate aliquots of a single plant digest solution. The coefficients of variation for these elements should not exceed 5% for strawberry, blackcurrant, apple and plum leaves. More variable results may be obtain