Bromine, Dpd Method - Hach DR/850 Procedures Manual

Colorimeter
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BROMINE
(0 to 4.50 mg/L)
*
DPD Method
(Powder Pillows or AccuVac Ampuls)
Using Powder Pillows
1.
Enter the stored
program number for
bromine (Br
)-
2
powder pillows.
Press:
PRGM
The display will show:
PRGM ?
Note: For most accurate
results, perform a Reagent
Blank Correction using
deionized water (see
Section 1).
* Adapted from Standard Methods for the Examination of Water and Wastewater
2.
Press:
5 ENTER
The display will show
mg/L, Br2 and the
ZERO icon.
For water, wastewater, and seawater
3.
Fill a sample cell
with 10 mL of sample
(the blank).
Note: Samples must be
analyzed immediately and
cannot be preserved for
later analysis.
77
Method 8016
4.
Place the blank into
the cell holder. Tightly
cover the sample cell
with the instrument cap.

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