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CFA3000 MANUAL APPENDIX
Method: Sodium01A
(0.110, 1100, 101000 ppb to 1000 ppm (contact
Rosemount Analytical for other ranges)
General Description:
For this procedure for the determination of sodium,
the sodium ion is measured potentiometrically using
ion selective electrodes . The addition of an ionic
strength adjustor to the sample maintains constant
background ionic strength and pH.
Sodium in Water
Range: 0.110, 1100, 101000 ppb up to 1000 ppm
or higher.
Reagents Kit: (reagent & standards)
185301130
REAGENT #1, Buffering Reagent:
185301134
Working Standards
10 ppb: 185301133
100 ppb: 182301132
Operating Notes
1. The chemicals used for reagents and distilled water
should be free of sodium.
2. The sample stream must be filtered to 10 microns
or less before being introduced to the system with
an inline filter such as Rosemount Analytical' IF
100
(Part #180140001).
APPENDIX A CHEMISTRIES