TY - JOUR T1 - Infra-red heating as an alternative technique for fast sample preparation JO - Journal of the Brazilian Chemical Society A1 - Gouveia, Sandro T. A1 - Fatibello-Filho, Orlando A1 - Nóbrega, Joaquim A. SN - 0103-5053 UL - 10.1590/S0103-50532000000300011 VL - 11 Y1 - 2000 PB - Brasil ER -