TY - JOUR T1 - A simple and efficient method for derivatization of glyphosate and AMPA using 9-fluorenylmethyl chloroformate and spectrophotometric analysis JO - Journal of the Brazilian Chemical Society A1 - Catrinck, Tereza C. P. G. A1 - Dias, Amanda A1 - Aguiar, Maria Clara S. A1 - SilvĂ©rio, Flaviano O. A1 - FidĂȘncio, Paulo H. A1 - Pinho, Gevany P. SN - 0103-5053 UL - 10.5935/0103-5053.20140096 VL - 25 Y1 - 2014 PB - Brazil ER -