Hanna-instruments HI 904 Manual do Utilizador descarregar pdf (Página 71)

5-13

METHODS

5.5.9.2 Sample Name

This screen allows the user to enter a name for the sample (up to 14 characters). Use the

arrow keys to navigate through the character table. Press to add the highlighted

character to the sample name.

5.5.9.3 Sample Type (

Normal Determination

only)

This option allows the user to select the type of the sample: mass or volume.

This information is used to determine the appropriate sample size required by the titration

prior to analysis.

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 179 180

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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