TY - JOUR T1 - Pre-concentration of lithium prior to its determination in honey by flame optical emission spectrometry JO - Journal of the Brazilian Chemical Society A1 - Stecka, Helena A1 - Pohl, Pawel SN - 0103-5053 UL - 10.1590/S0103-50532011000400010 VL - 22 Y1 - 2011 PB - Brasil ER -