Hach DR2400 - Aluminum Method 8012 Aluminon Method

DR/2400
Aluminum
Aluminum_PP_Other_ALN_Eng_Ody.fm Page 1 of 6
• Digestion is required for determining total aluminum. See Section 4 on page 55 for the digestion procedure.
• The sample temperature must be between 20–25 °C (68–77 °F) for accurate results.
• Clean all glassware with 6.0 N HCl and deionized water before use to remove contaminants from the glass.
• After adding the AluVer
®
3 Aluminum Reagent Powder Pillow, an orange to orange-red color will develop if aluminum is present.
• Wipe the outside of sample cells before each insertion into the instrument cell holder. Use a damp towel followed by a dry one to
remove fingerprints or other marks.
• Clean the graduated cylinder and sample cells with soap and a brush immediately following the test.
Aluminum
Method 8012
Aluminon Method*
*Adapted from Standard Methods for the Examination of Water and Wastewater.
Powder Pillows
(0.008 to 0.800 mg/L)
Scope and Application: For water and wastewater
1. Touch
Hach Programs.
Select program
10 Aluminum, Alumin.
Touch Start.
2. Fill the cylinder to the
50-mL mark with sample.
3. Add the contents of
one Ascorbic Acid
Powder Pillow. Stopper.
Invert several times to
dissolve powder.
4. Add the contents of
one AluVer 3 Aluminum
Reagent Powder Pillow.
Stopper.
Tips and Techniques
Powder Pillows Method 8012
Hach Programs