A2-4
APPENDIX 2
A2.3.2 Setting Up the Method Parameters
Use the following settings to program the method (see section
5.5 Method Options
section):
Name: Antacid Power
Method Revision: 1.0
Titration Type: Back-Titration
Break at titrant change: YES
Analog Board: Analog 1
Stirrer Configuration: Stirrer 1
Pump Configuration:
Titrant 1 pump: Pump 1
Titrant 2 pump: Pump 2
Dosing Type: Dynamic
min Vol: 0.010 mL
max Vol: 0.500 mL
delta E: 4.500 mL
End Point Mode: pH 1EQ point, 1st Der
Recognition Option:
Threshold: 500 mV / mL
Range: NO
Filtered Derivatives: NO
Pre-Titration Volume: 0.000 mL
Pre-Titration Stir Time: 5 Sec
Measurement Mode: Signal Stability
delta E: 0.3 mV
delta t: 1.5 Sec
t min wait: 5 Sec
t max wait: 15 Sec
Electrode Type: pH
Calculations: Sample Calc. by Weight
Titrant 1 Units M (mol/L)
Titrant 2 Units M (mol/L)
Final Result Units g/g
Titrant 1 Name: HCl
Titrant 1 Conc.: 1 M(mol/L)
Titrant 2 Name: NaOH
Titrant 2 Conc.: 1 M(mol/L)
Analyte Size: 0.5 g
Analyte Entry: Manual
Titrant 1 Entry: Calculated
Maximum Titrant 2 Volume: 25.000 mL
Stirring Speed: 1500 RPM
Potential Range: -2000.0 to 2000.0 mV
Flow Rate: 30.0 mL/min
Signal Averaging: 1 Reading
Significant Figures: XXX
Linked to: No link
In order to start the analysis, both burettes must be filled with the appropriate reagents:
• Pump 1 - a burette filled with 1 M HCl.
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