PerkinElmer aanalyst 200 User Manual page 152

Operation of the Instrument
Preadjustment procedure
1. Touch the Flame tab to display the Flame page.
2. Aspirate the blank solution and when the signal is steady touch the Auto Zero Graph button.
3. Aspirate the standard solution.
4. Turn the nebulizer regulator slowly counter-clockwise until bubbles start to appear from the
end of the sample tube in the standard solution.
5. Then turn the nebulizer regulator 1 to 1½ turns clockwise.
6. Slowly continue to turn the regulator clockwise while watching the continuous graphics
display. The absorbance reading will increase to a maximum before starting to decrease.
Adjust the regulator to give the maximum reading.
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