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Phosphate -ortho- (HR)
(46)
Continued...
10) Add a "Phosphate HR N°2 Photometer" tablet to the water sample in
the cuvette.
11) Crush the tablet with a clean stirrer until this is completely dissolved.
12) Replace the lid on the cuvette, swirl it carefully and insert it into the
sampling chamber of the PrimeLab. Align the arrow on the front of the
4
cuvette. Press TEST.
13) After the lapse of a 10 minute countdown the determined result is
displayed. Press button 3 to convert this into various measurement
3
units (**).
14) Press button 4 to save the result together with date and time in the
4
device.
!
Assessment of the measurement value relative to the ideal range defined by you.
Measurement value for this parameter is outside the value range of this method.
Note(s)
->
(*) Special accessories required / not included as standard equipment!
->
(**) Conversion to P, P O
->
(***) Filter process is only needed in case of any suspended insoluble
phosphate expected in your water sample (applicable for boiler water
testing)
->
With this procedure ortho-phosphate ions are detected. Other phosphates
must therefore be converted to ortho-phosphates before the test is begun.
->
The pH value of the sample water should be between 6 and 7 pH.
->
The following contents of substances in the sample water can - at the
respective concentration - falsify the measurement results:
Chromium > 100 mg/l
Copper > 10 mg/l
Iron > 100 mg/l
Nickel > 300 mg/l
Zinc > 80 mg/l
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Name on device: 46-Phosphat-HR-tab
Possible messages in the line below the measurement value:
"low! / high! / good!":
"Overrange! / underrange!":
2
5
0 - 80 mg/l
(PO )
Tablet
4
208
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