Water I.D. Primelab 2.0, Manual

Page: 177 / 301

(90)
Nickel HR
0.0 - 7.0 mg/l (Ni)
Tablet
Internal Name: 90-Nickel-HR-tab
10ml
Nickel HR N°1 Photometer (TbsHNickHR1)
Nickel HR N°2 Photometer (TbsPNickHR2)
Measurement procedure:
1 Fill 10 ml test water into a clean 24 mm cuvette.
2 Screw the lid back on the cuvette.
3 Insert the cuvette into the PrimeLab. Pay attention to the arrow on the front of the cuvette.
4 Start ZERO measurement.
5 Remove the cuvette again.
6 Unscrew the lid from the cuvette.
7 Add 1 Nickel HR N°1 Photometer tablet(s) to the test water in the cuvette.
8 Crush the tablet with a clean stirring rod.
9 Add 1 Nickel HR N°2 Photometer tablet(s) to the test water in the cuvette.
10 Crush the tablet with a clean stirring rod.
11 Stir with the stirring rod for about 20 seconds until the reagent is completely dissolved.
12 Screw the lid back on the cuvette.
13 Insert the cuvette into the PrimeLab. Pay attention to the arrow on the front of the cuvette.
14 Tap TEST to start a 02:00 minute(s) countdown.
15 After the lapse of a 02:00 minute(s) countdown the measured value is displayed.
Notes:
Iron will interfere with this test and can influence the readings.
EDTA levels above 25 mg/l will interfere with this test and can influence the reading (low
reading).
Cobalt levels above > 0.5 mg/l will interfere with this test and can influence the reading (high
reading).
T122/204 T122/204