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HI 903
Hanna Instruments HI 903 User Manual
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HI 903
KARL FISCHER
VOLUMETRIC TITRATOR
Revision 1.0
2
Table of Contents
Setup
25
Chapter 1 INTRODUCTION
5
Safety Measures
6
Titrator Connections
7
User Interface
8
How to Select Your Language
9
How to Perform the First Titration
11
Introduction
23
Table of Contents
25
Chapter 2 SETUP
26
Unpacking
27
Safety Measures
28
Installation
29
Titrator Top View
29
Titrator Rear View
30
Titrator Left-Side View
30
Titrator Assembly
31
Connecting the Pumps
31
Attaching the Burette
33
Attaching the Beaker and Dispensing Tip
34
Beaker Top
35
Electrical Connections
37
Titrant, Solvent, Waste Bottle Assembly
38
Titrant Bottle Assembly
38
Solvent / Waste Bottle Assembly
39
User Interface
41
Chapter 3 USER INTERFACE
42
Start up
43
User Interface
43
Description
44
Keypad
44
Function Keys
44
Option Keys
44
Arrow Keys
45
Enter Key
45
Numeric Keys
45
Display
45
The Idle Screen
46
The Process Screen
47
Menu Navigation
48
Selecting an Option
48
Selecting a Menu Item
48
Entering Text
48
Saving Modifications
49
General Options
51
Chapter 4 GENERAL OPTIONS
52
Date and Time Setting
53
Display Settings
54
Beeper
55
Stirrer
55
Chapter 5 METHODS
56
Language
56
Estimated Cell Volume
56
Titrant Database
56
Chapter 6 TITRATION
57
Standard Database
57
Save Files to USB Storage Device
57
Restore Files from USB Storage Device
59
USB Link with
60
Calibration Check
60
Setup Balance Interface
61
Printer Mode
62
Reset to Default Settings
63
Update Software
63
Methods
65
Methods
67
Selecting Methods
67
Deleting Standard Methods
68
Standard Methods
68
Upgrading Standard Methods
68
Creating User Methods
69
Restoring the Standard Methods to the Manufacturer's Settings
69
User Methods
69
Deleting User Methods
70
View / Modify Method
70
Method Options
71
Naming the User Method
71
Method Revision
72
Method Type
72
Pre-Analysis Stir Time
73
Predispensing Amount
73
Stirbar Type
74
Stirring Speed
74
Drift Entry
75
Sample Parameters ( Sample Analysis Mode Only)
76
Sample Determination
77
Sample Name
77
Sample Type
78
Sample Size
78
Solvent Name
76
Standard ( Titrant Standardization Mode Only)
79
Standard Name
80
Standard Type
80
Concentration Unit
80
Water Content
80
Standard Size
80
Titrant
81
Titrant Name
82
Titrant Type
82
Nominal Titrant Concentration
82
Standardized Titrant Concentration
82
Titrant Age Reminder
83
Control Parameters
83
Start Mode
84
Standby Mode
84
Standby Duration
85
Imposed Current
85
Dosing Parameters
86
Timed Increment
86
End Point Value
87
Signal Averaging
87
Flow Rate
88
Termination Parameters
88
Maximum Duration
89
Maximum Titrant Volume
89
Termination Criterion
90
Endpoint Stability Time
90
Printing
91
Result Unit
91
Titra Tion Chapter 6.
93
Titration
94
Idle
95
Pre-Titration
95
Drift Analysis
96
Standby
97
Sample Analysis
98
Titrant Standardization
103
Titratitrationtiontitratitra Tiontitration
107
Chapter 7 AUXILIARY FUNCTIONS
108
Air Pump
109
Filling the Beaker
109
Emptying the Beaker
109
Burette
110
Prime Burette
110
Rinse Tip
111
Manual Dispense
111
Purge Burette
112
Stirrer
112
Results
113
Review Last Titration Report
113
Review Available Reports
114
GLP Data
114
Meter Information
115
Setup Titration Report
116
Maintenance, Peripherals
117
Chapter 8 MAINTENANCE, PERIPHERALS
118
Burette Maintenance
119
Burette Assembly
119
Changing the Burette
119
Disassembling the Dispensing Tube and Aspiration Tube
120
Assembling the Dispensing Tube and Aspiration Tube
120
Cleaning the Burette
121
Burette Preparation (Filling with Titrant)
123
Probe Maintenance
124
Fuse Replacement
125
Peripherals
125
Connecting an External Display
126
Connecting an External PC Keyboard
126
Connecting a Printer
128
Connecting to a Computer
128
Methods Optimization
129
Chapter 9 OPTIMIZATION
131
Titrator Settings
131
Control Parameters
131
Endpoint Potential and Polarization Current
131
Dosing Parameters
132
Maximum Dose
132
Minimum Dose
132
Timed Increment
133
Flow Rate
134
Signal Averaging
134
Start Mode
134
Termination Parameters
134
Drift Stop Termination Criteria
134
Stability Time
134
Absolute Drift Stop
135
Relative Drift Stop
135
Method Options
136
Background Drift Rate Entry
136
Pre-Analysis Stir Time
136
Pre-Dispensing Amount
136
Stirring Speed
136
The Sample
137
Proper Sampling Procedure
137
Determining the Optimal Sample Size
137
Solid Samples
138
Heating
142
Homogenization
142
Karl Fischer Reagent System
143
Reagent System Classification
143
One-Component Reagent Systems
143
Reagents for Aldehydes and Ketones
143
Two-Component Reagent Systems
143
Choosing and Modifying a Solvent
144
Water Standards
144
Standardizing the Titrant
145
Titration Theory
193
General Review of Titration Theory
195
Introduction to Titrations
195
Uses of Titrations
195
Advantages and Disadvantages of Titrations
196
Amperometric Titrations
197
Potentiometric Titrations
197
Titrations According to the Measurement Method
197
Types of Titration
197
Spectrophotometric Titrations
198
History of Karl Fischer Titrations
199
Karl Fischer Titration
199
Titrations According to the Reaction Type
199
Electrometric Indication of Karl Fischer Titrations
200
Visual Indication of Karl Fischer Titrations
200
Acid-Base Titrations
201
Argentometric Titrations
202
Complexometric Titrations
202
Ion Selective Titrations
203
Non-Aqueous Solvent Acid-Base Titrations
203
Precipitation Titrations
204
Redox Titrations
204
Back Titrations
205
Multiple End Point Titrations
205
Titrations According to the Titration Sequence
205
Introduction to Titration Apparatus and Typical Titration Procedure
207
Manual Titration
207
Automatic Titration
208
Accuracy
209
Errors with Titrant and Standard
209
Preparation Errors
209
Repeatability
209
Sampling Errors
209
Sources of Error
209
Titration Results
209
Chemical Reaction Errors
210
Dispensing Errors
210
Endpoint Determination Errors
210
Calculation of Water Content as % Mass from Samples Measured by Mass
211
Calculation of Water Content as % Mass from Samples Measured by Volume
211
Calculation of Water Content as % Volume from Samples Measured by Volume
211
Calculation of Water Content Subtracting Background Drift Rate
211
Calculations
211
Equations Used in Karl Fischer Titrations
211
Calculation of Titer (Water Equivalent of the Titrant) Using Sodium Tartrate Dihydrate Containing 15.66% Water by Mass
212
Calculation of Water Content in External Dissolutions Samples
212
Calculation of Water Content in External Extraction Samples
212
Calculation of Water Content in Gaseous Samples
212
Calculation of Titer (Water Equivalent of the Titrant) Using Water Standards
213
Equations Used in Titrations
213
Sample Calculation
213
Standardize Titrant
213
Blank Titration
214
Multiple End Point Titration
214
Back Titration
215
Glossary
216
4
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Hanna Instruments HI 903 Specifications
General
Brand
Hanna Instruments
Model
HI 903
Category
Laboratory Equipment
Language
English
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