@article{article21047a41,
title   = {Turbidimetric determination of sulphate in plant digests and natural waters by flow injection analysis with alternating streams},
author = {Krug, Francisco José and Zagatto, Elias Ayres Guidetti and Reis, Boaventura Freire dos and Bahia Filho, Oscar and Jacintho, Antonio Octavio},
year = {1983},
doi = {10.1016/0003-2670(83)80060-9},
journal   = {Analytica Chimica Acta}
}