Spectroquant Pharo 300 - Page 255

100858
Cell Test
Calcium
Measuring 10 – 250 mg/l Ca
range: 14 – 350 mg/l CaO
25 – 624 mg/l CaCO
3
Expression of results also possible in mmol/l.
Pipette 1.0 ml of the
sample into a reaction
cell
, close with the screw
cap,
and mix.
Add 1.0 ml of Ca-1K
with pipette, close the
cell with the screw cap,
and mix.
Place the cell into the
cell compartment. Align
the mark on the cell with
that on the photometer.
Reaction time:
exactly 3 minutes
Check the pH of the
sample, specified range:
pH 3 – 9.
If required, add dilute
sodium hydroxide
solution or hydrochloric
acid drop by drop to
adjust the pH.
Add 0.50 ml of Ca-2K
with pipette, close the
cell with the screw cap,
and mix.
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
Quality assurance:
To check the measurement system (test reagents,
measurement device, and handling) a freshly prepared
standard solution
can be used (see section “Standard
solutions”).