Appendix E. -Attachment B  


Instrumental Parameters for HGA Analysis
Atomic Absorption Spectrophotometer (Perkin-Elmer Model 5100)
Signal Type:
Zeeman AA
Slitwidth:
0.7 nm
Wavelength:
228.8 nm
Measurement:
Peak Area
Integration Time:
6.0 sec
BOC Time: 5 sec
BOC = Background Offset Correction
Zeeman Graphite Furnace (Perkin-Elmer Model HGA-600)
Step
Ramp
Hold
Temp.
Argon
Read
Time
Time Flow
(sec)
(sec)
(° C)
(mL/min)
(sec)
1)Predry
5
10
90
300
-
2)Dry
30
10
140
300
-
3)Char
10
20
900
300
-
4)Cool Down
1
8
30
300
-
5)Atomize
0
5
1600
0
-1
6)Burnout
1
8
2500
300
-