EN
Fill to the 10 mL line with sample.
Use this to "blank" the instrument. Place in cell holder and press Blank.
Prepare sample by adding a Sulfide No 1 and a Sulfide No 2 tablet. Very gently, crush both tablets and stir.
Place in the cell holder and press Measure.
Allow timer to count down 10 minutes. The concentration of Sulfide will then be displayed.
