Hanna-instruments HI 904 Manual de usuario Pagina 113
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9-1
METHODS OPTIMIZATION
Chapter 9. Contents
9 OPTIMIZATION ..................................................................................... 9-3
9.1 Titrator Settings ................................................................................... 9-3
9.1.1 Control Parameters.................................................................................... 9-3
9.1.1.1 Endpoint Potential and Polarization Current ........................................................9-3
9.1.1.2 Titration Speed ...............................................................................................9-4
9.1.1.3 Signal Averaging ..............................................................................................9-4
9.1.2 Termination Parameters .............................................................................. 9-5
9.1.2.1 Stability Time ..................................................................................................9-5
9.1.2.2 Drift Stop Termination Criteria ...........................................................................9-5
9.1.2.2.1 Relative Drift Stop ...................................................................................9-5
9.1.2.2.2 Absolute Drift Stop ..................................................................................9-6
9.1.3 Method Options .......................................................................................... 9-6
9.1.3.1 Pre-Analysis Stir Time ......................................................................................9-6
9.1.3.2 Stirring Speed..................................................................................................9-6
9.1.3.3 Background Drift Rate Entry.............................................................................9-6
9.2 The Sample ........................................................................................... 9-7
9.2.1 Proper Sampling Procedure ......................................................................... 9-7
9.2.2 Determining the Optimal Sample Size .......................................................... 9-7
9.2.3 Solid Samples............................................................................................. 9-7
9.2.4 Liquid Samples ........................................................................................ 9-8
- QUICK START GUIDE 1
- KARL FISCHER 1
- COULOMETRIC TITRATOR 1
- INSTRUCTION MANUAL 17
- Dear customer 18
- Hanna Instruments 18
- TABLE OF CONTENTS 19
- INTRODUCTION 21
- Chapter 2. Contents 23
- 2.1 Unpacking 25
- 2.2 Safety Measures 26
- 2.3 Installation 27
- 2.3.2 Titrator Rear View 28
- 2.3.3 Titrator Left-side View 28
- 2.3.4 Titrator Assembly 29
- 2.3.4.3 Titration Vessel 31
- Caution: 35
- USER INTERFACE 37
- 3.2.1 Keypad 40
- 3.2.2 Display 41
- Idle Screen 42
- Process Screen 43
- GENERAL OPTIONS 47
- Chapter 4. Contents 47
- 4 GENERAL OPTIONS 49
- General Options 49
- “External” stirrer option 51
- Balance Configuration 56
- Chapter 5. Contents 59
- 5 METHODS 61
- 5.2 Standard Methods 62
- 5.3 User Methods 63
- 5.4 View / Modify Method 64
- 5.5 Method Options 65
- 5.5.2 Method Revision 66
- 5.5.3 Method Type 66
- 5.5.4 Pre-Analysis Stir Time 67
- 5.5.5 Stirring Speed 67
- 5.5.6 Stirbar Type 68
- 5.5.7 Drift Entry 68
- 5.5.8 Reagent 69
- 5.5.9 Sample Parameters 70
- Normal Determination 71
- 4.11, Setup Balance Interface 72
- Sample Type: Volume 72
- External Extraction 73
- External Dissolution 73
- 5.5.10 Control Parameters 74
- Standby Duration 75
- Fixed (400 mA): 77
- 1 Reading 77
- 5.5.11 Termination Parameters 78
- 5.5.11.4, End Point 79
- Stability Time) 79
- Absolute Drift 79
- Relative Drift 79
- 5.6 Printing 80
- 5.7 Bromine Index 81
- TITRATION 83
- AUXILIARY FUNCTIONS 100
- MAINTENANCE, PERIPHERALS 103
- METHODS OPTIMIZATION 113
- APPENDIX 3 125
- MAN HI904 126
- 09/13 126
- APPENDIX 1 127
- APPENDIX 2 131
- GENERAL APPLICATIONS BROCHURE 141
- Method ID: HI9001EN 143
- Method ID: HI9301EN 145
- Method ID: HI9901EN 147
- TITRATION THEORY 149
- Revision 1.0 149
- 2.1.1 Amperometric Titrations 155
- 2.2.1 Karl Fischer Titrations 157
- ) = 9.336 · 10 158
- 2.2.2 Acid-Base Titrations 161
- 2.2.8 Redox Titrations 164
- 2.3.1 Back Titrations 165
- 4.3.1 Sampling Errors 169
- By Volume 174
- 5.2.3 Blank Titration 174
- 5.2.5 Back Titration 175
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