ASE 150 Operator’s Manual
28 Doc. 065207-02 9/08
H
2
SO
4
0.1 M Yes Yes Yes
KOH 8 M No No N/A
KOH 10% No Yes N/A
KOH 0.1 M Yes Yes N/A
HNO
3
8 M No No Yes
HNO
3
10% Yes Yes Yes
HNO
3
0.1 M Yes Yes Yes
NH
4
OH 8 M No No N/A
NH
4
OH < 5% Yes Yes N/A
NH
4
OH 0.1 M Yes Yes N/A
Trifluoroacetic acid
< 5%
Yes Yes Yes
Acetic acid < 5% Yes Yes Yes
Phosphoric acid
<5%
Yes Yes Yes
If acids, bases, salts, or buffers are used as extraction solvents, rinse
the system with 100% polar organic solvent (for example, acetone or
methanol) or distilled water before turning off the power.
Acid or Base Con-
centration
Okay to pump from
solvent reservoir?
(Okay to use SST
or Zr cells)
Add to sample and
transfer to Zr cell?
(Do not use SST
cells)
Add to sample
matrix with ASE
Prep CR and trans-
fer to Zr cell? (Do
not use SST cells)
Table 3-1. Guidelines for Use of Acids and Bases with the ASE 150 (Continued)
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