Hanna Instruments HI931, User Manual, Page: 190 / 218

20
NEUTRALIZA
TION WITH SODIUM HYDRO
XIDE
NEUTRALIZATION WITH SODIUM HYDROXIDE
0 to 200 meq/L
METHOD ID: HI1009EN
METHOD PARAMETERS
Name: Neutralization w/ NaOH
Method Revision: 3.0
Analysis Type: Standard Titration
Analog Board: Analog 1
Stirrer Configuration:
Stirrer: Stirrer 1
Stirring Speed: 1400 RPM
Pump Configuration:
Titrant Pump: Pump 1
Reagent Addition 1: Disabled
Reagent Addition 2: Disabled
Dosing Type: Dynamic
Min Vol: 0.050 mL
Max Vol: 0.500 mL
delta E: 20.000 mV
End Point Mode: pH 1EQ point, 1st Der
Recognition Options:
Threshold: 50 mV/mL
Range: NO
Filtered Derivatives: NO
Pre-Titration Volume: 0.000 mL
Pre-Titration Stir Time: 0 sec
Measurement Mode: Signal Stability
delta E: 1.0 mV
delta t: 2 sec
Min wait: 2 sec
Max wait: 15 sec
Electrode Type: pH
Blank Option: No Blank
Calculations: Sample Calc. by Volume
Dilution Option: Disabled
Titrant Name: 0.1N NaOH
Titrant Conc.: 0.1000 N(eq/L)
Analyte Size: 10.000 mL
Analyte Entry: Fixed
Maximum Titrant Volume: 20.000 mL
Potential Range: -2000.0 to 2000.0 mV
Volume/Flow Rate: 25 mL/50.0 mL/min
Signal Averaging: 1 Reading
Significant Figures: XXXXX
CALCULATIONS
Calculations: Sample Calc. by Volume
Titrant units: N (eq/L)
Titrant volume dosed: V (L)
Final result units: meq/L
Titrant Conc.: 0.1000 N(eq/L)
Sample Volume: 10.000 mL
RESULTS
Titration Report
Method Name: Neutralization w/ NaOH
Time & Date: 10:29 August 2, 2018
Report ID: Ti_00017
Titration Results
Method Name: Neutralization w/ NaOH
Time & Date: 10:29 August 2, 2018
Analyte Size: 10.000 mL
End Point Volume: 15.970 mL
pH Equivalence Point: 8.431
Result: 159.70 meq/L
Initial & Final pH: 2.675 to 10.316
Titration Duration: 3:20 [mm:ss]
Titration went to Completion
Analyst Signature:_____________________