<5. Calibration>
5-4
IM 12K01B02-01E
l
How to prepare common span calibration solution
Preparation:
Calibration solution ampoule: 1 to 4
Zero solution (distilled water): approximately 3 L
2 L Measuring flask:
1
Cleaning
bottle:
1
1. Drain the solution remaining in the top of ampoule to the bottom part.
Drain the solution remaining in the top of the ampoule
as much as possible by flicking with a finger.
2. Make a cut line on the ampoule with a cutter knife, knife of other sharp object.
Make a cut line all the way around the ampoule.
3. Break the ampoule.
Hold the ampoule and break off the top part.
Be careful not to spill the solution.
Hold the bottom part of ampoule on the table.
4. Pour the contents from the ampoule into a 2 L measuring flask that was cleaned using zero
solution in advance.
Squeeze the ampoule several times.
Cleaning bottle
Dissolve the solution left in the ampoule
by adding zero solution, and pour into
the measuring flask. (Repeat 2 or 3 times.)
Also dissolve the solution left in the top of
ampoule by adding zero solution, and pour
into the measuring flask.
5. Pour the zero solution up to the gauge line of 2 L measuring flask, and dissolve the solution
by shaking thoroughly.
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