“... in the thesis. A suitable composition of the mobile phase was searched in the first part of the experiment. Two...”
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“... thesis was to determine the most suitable mobile phase composition for chromatographic determination...”
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“... standard. Several types of columns, mobile phase compositions and temperatures were examined in the thesis...”
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“... the influence of pH and composition of elution agents on recovery of extraction. I performed the extraction...”
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“... of this thesis was to find suitable conditions for SPE method, especially to find a suitable eluent composition...”
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“... compositions were tested. The mobile phase consisting of phosphate buffer (pH = 3,0; 0,025 mol/l...”
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