Research Article

Evaluation of Copper and Manganese Concentrations in Commercial Fruit Juices and Nectars Consumed in Brazil by GF AAS

Table 1

Temperature program of the graphite furnace established for the measurement for Cu and Mn.

StepTemperature (°C)Ramp (s)Hold (s)Ar flow rate (mL min−1)

Drying I955.0300
Drying II12010.014.0300
Pyrolysis (Cu), (Mn)5.04.0300
Atomization (Cu), (Mn)1.03.00.0
Cleaning (Cu), (Mn)2.0300

Values established after construction of pyrolysis and atomization curves.