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Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 25(8)
A new fading spectrophotometric method for determining trace heparin is proposed in the present paper. In pH 3.0 Britton-Robinson (B-R) buffer solution, brilliant cresyl blue can react with heparin resulting in the decrease of absorbance of BCB at 59