B. Apparatus
(a) Atomic absorption spectrophotometer. -With an air-acetylene bumer
or nitorus oxide-acetylene burner for flame and a graphite furnace for
electrothemal deteminations, with appropriate background (nonatomic)
correction (see Table 999.11B).
see Table 999.11C for example of instrumental parameters for
graphite funace AAS. (The parameters listed are for a Perkin
Elmer HGA-500 instrument. For otser instruments, the parameters
may have to be changed. Suitable parameters are usually given in
the manual provided with the instrument.)