Research Article

Determination of Arsenic in Drinking Water Samples by Electrothermal Atomic Absorption Spectrometry after Preconcentration Using the Biomass of Aspergillus niger Loaded on Activated Charcoal

Table 1

Measurement condition for determination of arsenic using AA-6650 Shimadzu atomic absorption spectrophotometer.

ParameterSetting

Wavelength193.7 nm
Band pass0.5 nm
Signal measurementAA-BG (peak height)
Type of tubePyrolytic coated
Type of inert gasHelium
Type of lampHallow cathode lamp
Lamp current10 mA