Documents Sorption of Anions Important because: Several nutrients and agricultural chemicals are negatively...

Slide 1 Sorption of Anions Important because: Several nutrients and agricultural chemicals are negatively charged. –Nitrate, phosphate, sulfate, selenate,… Tropical,…

Documents Extraccion Secuencial-Tessier 1979

844 ANALYTICAL CHEMISTRY, VOL. 51, NO. 7, JUNE 1979 Sequential Extraction Procedure for the Speciation of Particulate Trace Metals A. Tessier,â P. G. C. Campbell, and M.…