A DETERMINACAO ESPECTROFOTOMETRICA DA CONCENTRACAO DE CAFEINA EM AMOSTRAS SINTETICAS

Danilo

The volume of sample used in the analysis, the concentration of aluminum nitrate and lithium acetate, and the type of solvent were evaluated. The constructed model was able to discriminate samples of commercial extracts of propolis in four classes according to the type and concentration of phenolic compounds and proved to be very useful for predicting which samples were irregular in concentration of flavonoids.

Platao - Biografia

Aurora

Assim existe a escada da natureza, que evolui dos organismos mais simples para os mais elevados.

GLOBALIZACAO E ESTADO NACAO

Victor

Hoje em dia, porém, milhares de concorrentes do mundo inteiro podem atender bem aos clientes. Veja o conceito de pós-modernidade.

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