5 measuring, 1 measuring operation, 2 factors affecting the measured value – YSI AmmoLyt Plus 700 IQ User Manual
Page 41: Measuring -1, Measuring operation -1, Factors affecting the measured value -1, 5measuring
AmmoLyt
®Plus
700 IQ
Measuring
5 - 1
ba76003e01
01/2012
5
Measuring
5.1
Measuring operation
Note the data given in section 9.2 A
, especially
the minimum immersion depth of the sensor (> 50 mm with mounted
protective hood).
Note
To keep the sensor clean, we recommend to use the CH cleaning head
(see chapter 7 R
5.2
Factors affecting the measured value
Caution
Greases, oils, certain tensides and similar substances can
shorten the operational lifetime of the electrodes. Therefore, they
should not be present in the test sample.
Ammonium measurement with the AmmoLyt
®Plus
700 IQ can be
affected by the following variables:
pH value
Potassium ions
Note
The effects of influencing variables on measurement and
compensating actions are described in detail in the YSI primer, I
ON
SELECTIVE
MEASUREMENT
IN
ONLINE
ANALYSIS
.