Hach DR/700 Procedures Manual page 108

NICKEL,
continued
4.
Add the contents
of one Nickel 2
Reagent Powder
Pillow to the funnel.
Stopper and shake to
mix.
30 seconds
7.
Close the
stopcock. Shake for
30 seconds.
5 minutes
5.
Wait five minutes.
5 minutes
8.
Shake the funnel
several times over the
next five minutes.
Vent after shaking.
42-24
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.
9.
Install module
42.01
in a DR/700.