TY - JOUR TI - An improved flow system for spectrophotometric determination of anions exploiting multicommutation and multidetection PY - 2001 AU - Rocha, Fábio Rodrigo Piovezani AU - Martelli, P B AU - Reis, Boaventura Freire dos T2 - Analytica Chimica Acta DO - 10.1016/s0003-2670(00)01265-4 UR - https://doi.org/10.1016/s0003-2670(00)01265-4 PP - Amsterdam VL - 438 IS - 1/2 SP - 11-19 ER -