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pro vyhledávání: '"C. A. A. Van Balkom"'
Publikováno v:
Journal of Chromatography A. 481:275-285
Optimum conditions for preconcentration of phenoxyacid herbicides from water on polymeric material and separation on an analytical column (PLRP-S) and PRP-1 respectively) have been achieved. The method consists of (a) an on-line preconcentration at p