Ion Chromatography HCO3-/CO32- Eluent

1
Ion ChromatographyHCO3-/CO32- Eluent
Eluant
0.0028M NaHCO
3
0.0022M Na CO
2
3
2 ml/min flow
500 - 5,000 psi
Sample Loop
Pump
1,000 nominal
50 ul
Check for air bubbles
Sample
Inject Valve
Sample in Syringe
or from Autosampler
Waste
Guard Column
3-
PO
4

Separator Column
SO
4
-
-
-
-


RNR
HCO

Cl
RNR
Cl
HCO

-
3
3
3
3
NO
3






2RNR
CO
SO
2RNR
SO

CO

3
4
3
4
3
3
-
Cl
"R" latex resin particle
Chromatogram
-

-
3-
-

Self Regenerating
HCO
Cl
SO
NO
PO
Na
3
4
3
4
-
H
O
2
2
Anion Suppressor
F
-


Na
-
-

Cation Exchange Membrane

Cation Exchange Membrane

-
-
H
OH
-
-
-

water dip
Cathode
time
Anode
H CO
H O
H O
2
3
2
2
Conductivity (uS)
Computer/Integrator
Conductivity Detector
2
Ion ChromatographyOH - Eluent
DegasEluant
DegasEluant
DI Water
40 mM NaOH
Sample Loop
QuaternaryPump
500 - 5,000 psi
1,650 psi nominal
100 ml
Sample
Inject Valve
Sample in Syringe
or from Autosampler
Waste
Guard Column
PO43-
Separator Column
SO42-
-
-


RNR
OH-

Cl
RNR
Cl
OH-

NO3-
3
3


2RNR
2(OH-)
SO42-
2RNR
SO42-
2OH-


3
3
Cl-
"R" latex resin particle
Chromatogram
Na
OH-
Self Regenerating
SO42-
Cl-
NO3-
PO43-
H2
O2
Anion Suppressor
F-
-

Na
-
Conductivity (mS)
-

Cation Exchange Membrane

Cation Exchange Membrane
-
H
OH-
CO32-
-
-
-

Cathode
time
Anode
H2O
H2O
H2O
Computer/Integrator
Conductivity Detector
3
(No Transcript)
4
(No Transcript)
5
(No Transcript)
6
(No Transcript)
7
Non-Suppressed IC
Conductivity (mS)
time