Hanna Instruments HI931 - Page 182

12
ALKALINITY OF WATER
ALKALINITY OF WATER
0 to 2500 mg/L CaCO
3
, pH 4.5 Endpoint
METHOD ID: HI1004EN
METHOD PARAMETERS
Name: Alkalinity of Water
Method Revision: 3.0
Analysis Type: Standard Titration
Analog Board: Analog 1
Stirrer Conguration:
Stirrer: Stirrer 1
Stirring Speed: 1400 RPM
Pump Conguration:
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: 5.000 mV
End Point Mode: Fixed 4.500 pH
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: 20 sec
Electrode Type: pH
Blank Option: No Blank
Calculations: Sample Calc. by Volume
Dilution Option: Disabled
Titrant Name: 0.1N HCl
Titrant Conc.: 0.1000 N(eq/L)
Analyte Size: 50.000 mL
Analyte Entry: Fixed
Maximum Titrant Volume: 25.000 mL
Potential Range: -2000.0 to 2000.0 mV
Volume/Flow Rate: 25 mL/50.0 mL/min
Signal Averaging: 1 Reading
Signicant Figures: XXXXX
CALCULATIONS
Calculations: Sample Calc. by Volume
Titrant units: N (eq/L)
Titrant volume dosed: V (L)
Final result units: mg/L
Titrant Conc.: 0.1000 N(eq/L)
Sample/Titrant: 0.500 mol/eq
mw of sample: 100.09 g/mol
Sample Volume: 50.000 mL
RESULTS
Titration Report
Method Name: Alkalinity of Water
Time & Date: 14:36 August 1, 2018
Report ID: Ti_00036
Titration Results
Method Name: Alkalinity of Water
Time & Date: 14:36 August 1, 2018
Analyte Size: 50.000 mL
End Point Volume: 9.336 mL
pH Fixed End Point: 4.500
Result: 934.44 mg/L
Initial & Final pH: 10.232 to 4.419
Titration Duration: 3:23 [mm:ss]
Titration went to Completion
Analyst Signature:_____________________