DR/2400
Boron
Boron_PP_Other_CAR_Eng_Ody.fm Page 1 of 4
• All labware must be completely dry. Excess water will cause low results.
• Use the BoroVer
®
3 Reagent with adequate ventilation. See Reagent Preparation, below.
• Do not cap the sample cells or the Erlenmeyer flasks at any time during sample preparation or reaction time. Samples may be
capped immediately prior to placing in the instrument.
• Sulfuric acid may contain residual moisture; this will cause low results. It is advisable to ensure sulfuric acid suitability by running
a known boron standard before running any unknown samples.
Boron
Method 8015
Carmine Method*
*Adapted from Standard Methods for the Examination of Water and Wastewater.
Powder Pillows
(0.2 to 14.0 mg/L)
Scope and Application: For water and wastewater
1. Touch
Hach Programs.
Select program
40 Boron.
Touch
Start.
2. Using a 100-mL
graduated cylinder,
measure 75 mL of
concentrated sulfuric
acid. Pour the acid into a
250-mL Erlenmeyer flask.
3. Add the contents of
one BoroVer 3 Reagent
Powder Pillow to the
flask. Swirl to mix. Allow
up to five minutes for the
powder to dissolve
completely.
4. Accurately pipet
2.0 mL of deionized
water into a 125-mL
Erlenmeyer flask (the
blank).
Tips and Techniques
Powder Pillows Method 8015
Hach Programs
To Next Page
Loading...
