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Fig. 6 | EJNMMI Research

Fig. 6

From: Development and evaluation of a rapid analysis for HEPES determination in 68Ga-radiotracers

Fig. 6

Representative images of iodine-stained TLC plates (35 μg/mL HEPES) with the sample (“P”) spotted in the left column and the maximum allowed concentration (“max,” 25 μg/mL in this experimental setup) in the right column of each plate. The plates were processed according to the Ph. Eur. (left image) and the improved method (right image) and were used for the operator questionnaire

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