Water I.D. Primelab 2.0, Manual

Page: 114 / 301

(107) Colour
(apparent)
15 - 500 mg/l (Pt-Co)
Internal Name: 107-Colour (Hazen/APHA)
10ml
Measurement procedure:
1 Fill 10 ml distilled water in 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 Empty the cuvette.
8 Rinse the cuvette with the test water.
9 Fill the cuvette to the 10 ml mark.
10 Screw the lid back on the cuvette.
11 Insert the cuvette into the PrimeLab. Pay attention to the arrow on the front of the cuvette.
12 Tap TEST to perform the measurement.
13 The measured value for mg/l (Pt-Co) is immediately displayed.
Notes:
Special accessories required / not included as standard equipment!
The sample water needs to have a yelowish to yellowish-brown coloration to be tested with this
method. The method is based on the "HAZAN Standard", developed by A. Hazen (EN ISO
7887:1994).
Analyse as soon as possible after taking the sample. Use clean glass or plastic containers for
transport and avoid air contact of the sample water. Do not stir sample water. Store sample for
max. 24 hours in a dark place at 4 °C.
Test to be performed with sample water having room temperature.
The estimated detection limit is 15 units Pt-Co.
Use the same vial for ZERO and TEST.
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