Hanna-instruments HI 903 Manual de usuario Pagina 182

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Method ID: HI8106EN
Moisture Determination in Butter
by external dissolution
Titrator Application Methods: General Methods - r. 0.4
Method Parameters:
Name: Moisture in Butter
Method Revision: 1.0
Type: Sample Analysis
Predispensing Amount: None
Pre-Analysis Stir Time: 10 Sec
Stirring Speed: 900 RPM
Stirbar Type: Medium
Drift Entry: Automatic
Solvent: Methanol
Sample Parameters:
Sample Determ.: External Dissolution
Sample Name: Butter
Sample Size: 0.7500 g
External Solvent Size: 40.0000 g
External Solvent Conc.: 0.0100 %
Extracted Sample Size: 3.0000 g
Titrant: Composite 5
Titrant Type: One Component
Nominal Titrant Conc.: 5.0000 mg/mL
Std. Titrant Conc.: 5.0000 mg/mL
Date/Time: Jan 1, 2011 12:00
Titrant Age Reminder: 2d:00h:00m
Control Parameters:
Start Mode: Normal
Standby Mode: Enabled
Standby Duration: 720 minutes
Imposed Current: 20 uA
Minimum Dose: 0.5000 uL
Maximum Dose: 40.0000 uL
Timed Increment: 1 second
End Point Value: 180.0 mV
Signal Averaging: 3 Readings
Flow Rate: 10.0 mL/min
Termination Parameters:
Maximum Duration: 720 sec
Maximum Titrant Volume: 10.0000 mL
Term. Criterion: Relative Drift
Relative Drift: 15.0 ug/min
Result Unit: %
Calculations:
Titrant units: mg/mL
Titrant volume consumed: V (mL)
Final results units: % Mass
Titrant concentration: 5.0000 mg/mL
External Solvent Size: 40.0000 g
External Solvent Conc.: 0.0100 %
External Sample Size: 3.0000 g
Sample mass: 0.7500 g
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Results:
Titration Report
Method Name: Moisture in Butter
Time & Date: 12:00 Jan 01, 2011
Sample Size: 0.7841 g
Std. Titrant Conc.: 5.0000 mg/mL
Drift Value: 4.6 ug/min
End Point Volume: 2.4497 mL
External Solvent Size: 38.4979 g
External Solvent Conc.: 0.0167 %
External Sample Size: 3.1222 g
Result: 19.3903 %
Titration Duration: 6:54 [mm:ss]
Estimated Cell Volume: 61.0 mL
Titration went to Completion
Operator Name:
Analyst Signature: ________________________
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