Check the pH, specified
range
: pH 1.5 – 3.5.
If required, add dilute
sulfuric acid drop by
drop to adjust the pH.
Add 6 drops of Sn-1K
into a reaction cell, close
with the screw cap, and
mix.
Reaction time:
15 minutes
114622
Cell Test
Tin
Place the cell into the
cell compartment. Align
the mark on the cell with
that on the photometer.
Add 5.0 ml of the
sample with pipette,
close the cell with the
screw cap, and mix.
Measuring 0.10 – 2.50 mg/l Sn
range: Expression of results also possible in mmol/l.
Check the pH of the
sample, specified range
:
pH < 3.
If required, add dilute
sulfuric acid drop by
drop to adjust the pH.
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) a tin standard
solution must
be prepared from
ready-for-use tin standard solution
Certipur
®
, Cat.No. 170242, concentration 1000 mg/l Sn
(see section “Standard solutions”).
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