Annemieke van der Pluym

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Quantitative methods (statistics and numerical taxonomy) were used for palynological studies ofEryngium maritimum from 13 localities extending from the Mediterranean to the North Sea. This demonstrates, 1. the homogeneity of the size of the pollen grains in respect of P (polar axis) and E (equatorial diameter) dimensions taken from a single inflorescence;(More)
A procedure is described for TLC detection and differentiation of the butyrophenone-diphenylbutylpiperidine group and phenothiazine derivatives at the microgram level. A two-dimensional TLC method to separate butyrophenone and diphenylbutylpiperidine compounds is reported. A variety of possible detection reagents were examined. The solvent systems and spray(More)
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