Hach DR/700 - Page 108

42-24
NICKEL, continued
4. Add the contents
of one Nickel 2
Reagent Powder
Pillow to the funnel.
Stopper and shake to
mix.
5. Wait five minutes. 6. Add 10 mL of
chloroform. Stopper
and shake gently.
Holding the stopper
in, invert the funnel
and slowly open the
stopcock to vent the
pressure buildup.
Note: Point the funnel in
a safe direction when
venting.
7. Close the
stopcock. Shake for
30 seconds.
8. Shake the funnel
several times over the
next five minutes.
Vent after shaking.
9. Install module
42.01
in a DR/700.
5 minutes
5 minutes
30 seconds