01390naa a2200217 a 450000100080000000500110000800800410001910000170006024501140007726000090019150001420020052006070034265000180094965300220096765300160098965300120100570000200101770000160103770000300105377300890108320085992023-03-30       2015    bl uuuu     u00u1 u    #d1 aROCHA, G. C.  aEvaluation of acid digestion techniques to estimate chromium contents in cattle feces.h[electronic resource]  c2015  aNotas Científicas. Título em português: Avaliação de técnicas de digestão ácida para estimar teores de cromo em fezes de bovinos.  aThe objective of this work was to evaluate the accuracy of digestion techniques using nitric and perchloric acid at the ratios of 2:1, 3:1, and 4:1 v v?1, in one? or two?step digestion, to estimate chromium contents in cattle feces, using sodium molybdate as a catalyst. Fecal standards containing known chromium contents (0, 2, 4, 6, 8, and 10 g kg?1) were produced from feces of five animals. The chromium content in cattle feces is accurately estimated using digestion techniques based on nitric and perchloric acids, at a 3:1 v v?1 ratio, in one?step digestion, with sodium molybdate as a catalyst.  aChromic oxide  aChromium recovery  aIndicadores  aMarkers1 aPALMA, M. N. N.1 aDETMANN, E.1 aVALADARES FILHO, S. de C.  tPESQUISA AGROPECUÁRIA BRASILEIRA, Brasília, DFgv. 50, n. 1, p. 92-95, jan., 2015.