DR/2400
Sulfite
Sulfite_Other_Eng_Ody.fm Page 1 of 4
• Samples must be analyzed immediately.
• Sample and Reagent temperature must be between 15–25 °C (59–77 °F).
• Adjust the sample pH between 3–10.
Sulfite
Colorimetric Method*
* Reagent sets for this method are only available in Europe.
(0.10 to 5.00 mg/L)
Scope and Application: For boiler water, foodstuffs
1. Touch
Hach Programs.
Select program
692 Sulfite, HPT 430.
Touch
Start.
2. Fill a clean sample
cell with 10 mL of
deionized water. Cap the
cell. This is the blank.
3. Pipet 10 mL of
sample into a second
clean sample cell.
4. Add 5 drops of Sulfite
Reagent A (HPT 430 A).
Swirl to mix.
Tips and Techniques
10 mL
20 mL
25 mL
Colorimetric Method
Hach Programs