Water I.D. Primelab 2.0, Manual

Page: 138 / 301

(23)
Hydrazine
5 - 600 µg/l (N₂H₄)
Liquid
Internal Name: 23-Hydrazine-liq
10ml
65ml PL Hydrazine N°1 (PL65Hydraz1)
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 10 drop(s) of PL Hydrazine 1 into the cuvette.
8 Screw the lid back on the cuvette.
9 Gently swirl the cuvette to mix the liquid well.
10 Insert the cuvette into the PrimeLab. Pay attention to the arrow on the front of the cuvette.
11 Tap TEST to start a 05:00 minute(s) countdown.
12 After the lapse of a 05:00 minute(s) countdown the measured value is displayed.
Notes:
The temperature of the water sample should be between 17 °C and 25 °C.
Interferences: i) Hazy test sample, ii) The presence of excessive detergents
T83/204 T83/204