@article{articleaca7c1aa, title = {Multicommutation in flow analysis . Part 5: binary sampling for sequential spectrophotometric determination of ammonium and phosphate in plant digests}, author = {Kronka, E A M and Reis, Boaventura Freire dos and Korn, M and Bergamin Filho, H}, year = {1996}, doi = {10.1016/s0003-2670(96)00267-x}, journal = {Analytica Chimica Acta} }