Hach DR/700 Procedures Manual page 355

BROMINE
For water, wastewater and seawater
DPD Method* (Powder Pillows or AccuVac Ampuls)
USING POWDER PILLOWS
1.
Install module
52.01
in a DR/700.
Note: Samples must be
analyzed immediately
and cannot be preserved
for later analysis.
*Adapted from Standard Methods for the Examination of Water and Wastewater.
(0 to 8.00 mg/L)
2.
Press:
I/O
The display will show
525 nm
and module number
52.01
52-29
Method 8016
3.
After 2 seconds,
the display will show
a program number,
the concentration
units and the zero
prompt. If necessary,
press the
UP ARROW
key until the lower
display shows
program number
52.03.1