Select method with
AutoSelector.
Place the cell into the
cell compartment.
Place 350 ml of the sam-
ple into an Erlenmeyer
flask with ground joint.
Add 5 drops of As-1
and mix.
Add 20 ml of As-2 with
pipette and mix.
Add 1 level green dosing
spoon of As-3 and
dissolve.
Add 1.0 ml of As-4 with
pipette and mix.
Measuring 0.005 – 0.100 mg/l As 10-mm cell
range: 0.001 – 0.020 mg/l As 20-mm cell
Expression of results also possible in mmol/l.
Arsenic
101747
Test
Pipette 5.0 ml of As-5
into the absorption tube.
Add 1.0 ml of As-6 with
pipette to the solution in
the Erlenmeyer flask
and mix.
Add 3 level red dosing
spoons of As-7. Imme-
diately attach the ab-
sorption tube to the
Erlenmeyer flask.
Leave to stand for
2 hours. During this time
carefully swirl the flask
several times or stir
slowly with a magnetic
stirrer.
Transfer the solution
from the absorption tube
into a corresponding
cell.
Quality assurance:
To check the measurement system (test reagents,
measurement device, and handling) ready-f
or-use
arsenic standard solution Certipur
®
, Cat.No. 119773,
concentration 1000 mg/l As can be used after
diluting accordingly.
Check the pH of the
sample, specified range
:
pH 0 – 13.
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
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