DR/2400
Aluminum
Aluminum_PP_Other_ECR_Eng_Ody.fm Page 1 of 6
• For more accurate results, determine a reagent blank value for each new lot of reagent. Follow the procedure using deionized
water in place of the sample. Subtract the reagent blank value from the final results or perform a reagent blank adjust. See the
instrument manual for more information on Running a Reagent Blank.
• Clean all glassware with 6.0 N HCl and deionized water before use to remove contaminants from the glass.
• The sample temperature must be between 20–25 °C (68–77 °F) for accurate results.
• 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.
Aluminum
Method 8326
Eriochrome Cyanine R Method*
*Adapted from Standard Methods for the Examination of Water and Wastewater.
Powder Pillows
(0.002 to 0.250 mg/L Al
3+
)
Scope and Application: For water
1. Touch
Hach Programs.
Select program
9 Aluminum, ECR.
Touch
Start.
2. Fill a 25-mL
graduated mixing
cylinder to the 20-mL
mark with sample.
3. Add the contents of
one ECR Reagent Powder
Pillow for 20-mL sample
size.
4. Stopper and invert
several times to dissolve
the powder.
Tips and Techniques
Powder Pillows Method 8326
Hach Programs
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