TY - JOUR TI - Carbon paste electrode modified with copper(II) phosphate immobilized in a polyester resin for voltammetric determination of L-ascorbic acid in pharmaceutical formulations PY - 2003 AU - Teixeira, Marcos Fernando de Souza AU - Ramos, Luiz A. AU - Fatibello Filho, Orlando AU - Cavalheiro, Eder Tadeu Gomes T2 - Analytical and Bioanalytical Chemistry SN - 1618-2642 DO - 10.1007/s00216-003-1866-5 UR - https://doi.org/10.1007/s00216-003-1866-5 PP - Heidelberg VL - 376 IS - 2 SP - 214-219 ER -