Horiba Scientific DS-72G, Instruction Manual

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7.1.7 Measured by JP (10mL- (in container))
1.
Select the JP in the COND pharmacopeia mode
screen.
2.
Tap on the right of the 10mL- item.
The changed settings are applied.
3.
Tap to proceed to the next procedure.
4.
Immerse the COND electrode in sample solution
and tap
to start the measurement.
When measurement is completed, the conduc-
tivity of the sample solution and the measure-
ment condition are displayed as a measurement
result.
Tap
to return to the COND pharmaco-
peia mode screen.
This is the test procedure for purified water,
sterile purified water or water for injection
contained in a container of 10 mL or more.
The value when the measured temperature is at
25

C ±1

C and the conductivity change for 5
minutes is 0.1

S/cm or less is judged whether it
exceeds the evaluation standard, 5.0

S/cm or
not.