5-12
METHODS
5.5.9
Sample Parameters
This screen allows the user to access and configure the specific sample parameters.
5.5.9.1
Sample Determination
This screen allows the user to select the sample determination mode.
Normal
sample determination is performed through direct titration of liquid samples that are
soluble in solvent and have homogeneous distribution in water.
External extraction
is a method for the preparation of insoluble samples that require a water
extraction. Using the proper solvents, the sample is broken down into a fine suspension from
which the water is extracted and released into the solvent.
External dissolution
is a method for the preparation of the following types of samples:
• samples with a very high water content.
• samples that do not exhibit a homogeneous water distribution.
• slow-dissolving samples.
• samples that can contaminate the titration vessel, thus reducing the accuracy, preci-
sion, number of titrations between solvent changes and raising the cell maintenance
requirements.
Содержание HI 904
Страница 1: ...1 QUICK START GUIDE HI 904 KARL FISCHER COULOMETRIC TITRATOR Revision 1 0 www hannainst com...
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Страница 7: ...7 QUICK START GUIDE TITRATOR CONNECTIONS Front View Rear View...
Страница 17: ...1 INSTRUCTION MANUAL HI 904 KARL FISCHER COULOMETRIC TITRATOR Revision 1 00 www hannainst com...
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Страница 22: ...1 2 INTRODUCTION...
Страница 24: ...2 2 SETUP...
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