Hach DR/700 - Page 101

42-17
Method 8036
MOLYBDENUM, MOLYBDATE, HR
(0 to 40 mg/L)
For water and wastewater
Mercaptoacetic Acid Method*
1. Install module
42.01
in a DR/700.
Note: Collect samples
in glass or plastic
bottles.
2. Press: I/O
The display will show
420 nm
and module number
42.01
3. After 2 seconds,
the display will show
a program number,
the concentration
units, decimal
position and the zero
prompt. If necessary,
press the
UP ARROW
key until the lower
display shows
program number
42.03.1
*Adapted from Analytical Chemistry, 25, (9) 1363 (1953).