Artículos de revistas
SULFATE PRECONCENTRATION BY ANION-EXCHANGE RESIN IN FLOW-INJECTION AND ITS TURBIDIMETRIC DETERMINATION IN WATER
Registro en:
Talanta. Elsevier Science Bv, v. 40, n. 10, n. 1529, n. 1534, 1993.
0039-9140
WOS:A1993MB00400009
Autor
FILHA, MMS
REIS, BF
KRUG, FJ
COLLINS, CH
BACCAN, N
Institución
Resumen
A preconcentration procedure was established for sulphate determination in rain waters at the mg/l level, employing a small column packed with the AG1-X8 (200-400 mesh) anionic resin inserted into a flow injection system. Sulphate determination was performed by using the turbidimetric method based on reaction with barium. For concentrations within 0.10 and 2.0 mgSO42-/l, a throughput of 50 determinations/hr was achieved, and the relative standard deviation of results was better than 2%. 40 10 1529 1534