Page 63 - An Introduction to Analytical Atomic Spectrometry - L. Ebdon
P. 63
photomultiplier. Aqueous solutions were employed for all elements and the fuel/support gas
combinations were those recommended for general analytical use, except for the special
cases noted.
(a) Air-acetylene; (b) Air-hydrogen; (c) Vapour generation; (d) Nitrous oxide-acetylene; (e)
Nitrogen-hydrogen-entrained air
Q. Why are errors not really associated with monochromator settings in AAS?
Q. Why is the observed absorbance of 2 µg ml zinc dissolved in dilute hydrochloric acid greater than
-1
that of 2 µg ml zinc dissolved in 1 M potassium dichromate solution?
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