我提供一下VARIAN的AAS参数设置供你参考,看是不是参数设置不对?
Parameter Varian 220, 240FS Setting
Method 5%HNO3-Pb
Element-Matrix 1mol/L HNO3
Instrument Type Flame
Conc. Units mg/L
Instrument Mode Absorbance
Sampling Mode Manual
Calibration Mode Concentration
Measurement Mode PROMT
Element Pb
Replicates Standard 3
Replicates Sample 3
Expansion Factor 1.0
Smoothing 7 points
wavelength 217.0nm
Slit width 1.0nm
Lamp current 2.0~10.0 mA
Background Correction BC On
Measurement 5.0s
Read delay 4s
Flame Type Air/Acetylene
Air flow 10.0~13.5L/min
Acetylene flow 1.5~2.5L/min