DR/2400
Boron
Boron_PP_Low_AZO_Eng_Ody.fm Page 1 of 6
• Sample temperature should be 22–24 °C (72–75 °F) for most accurate results. If outside this range, measure and record the
sample temperature. See Sample Temperature Compensation on page 4.
Boron
Method 10061
Azomethine-H Method*
* Adapted from ISO Method 9390
Powder Pillows
LR (0.02 to 1.50 mg/L as B)
Scope and Application: For testing low levels of boron (boric acid or borates) in drinking water, cooling
water, industrial process waters, or wastewaters
1. Touch
Hach Programs.
Select program
45 Boron LR.
Touch
Start.
2. Fill a clean plastic
sample cell to the 25-mL
mark with ultra-pure
water (the blank).
3. Fill a second clean
plastic sample cell to the
25-mL mark with sample
(the prepared sample).
4. Add ten drops of
EDTA Solution, 1 M, to
each cell. Cap and invert
each cell twice to mix.
Tips and Techniques
Powder Pillows Method 10061
Hach Programs
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