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1-30 Part III
Part III Model 6600
Teledyne Analytical Instruments
lated in Step 2. Carefully wipe off the residue of oil from the tip
and outer body of the needle once the correct volume has been
drawn into the syringe.
5. Run the blender with lid removed at the highest attainable speed
without spillage.
6. Inject the contents of the syringe into the water
midway between
the center of the vortex and the wall of the blender container.
Make sure oil injection happens under water, or part of the oil will
be thrown against the wall of the blender container.
7. Put the lid on the blender container, bring the blender up to max-
imum speed, and homogenize the contents for
exactly 2 minutes.
8. EMPTY THE CONTENTS OF THE BLENDER, WHICH IS
NOW STABILIZED FOR ACCURATE PREPARATION OF
SPAN FLUID. REPEAT THE ENTIRE PROCEDURE, THIS
TIME PREPARED FROM THE COORSE FILTERED AND
FINE FILTERED SAMPLE WATER SET ASIDE AT 5.6.1.4.
5.6.3 Calibration
For the most accurate results, calibration of the analyzer must be done
as soon as the span fluid is made up, to avoid separation of oil and water.
The instrument, which was already prepared for manual calibration
fluid introduction (See Section 5.5) and has been optically balanced on zero
fluid prepared from the user’s sample, is ready for calibration.
Recheck the following before fluid introduction:
1. Analyzer is in the Analyze mode.
2. Air blow down valves are turned off. (Manual Mode Required)