Phosphate/12P

Photometric test for Total Phosphate in natural water and wastewater

Add 2 mL of sample to a Tubetest.

Use this to "blank" the instrument. Fit the Tubetest adapter to Lumiso, insert tube and press Blank.

Continue with the same tube by adding a Tubetest Phos No1 tablet. Crush and stir, until fully dissolved.

Then, add a Tubetest Phos No2 tablet and crush and stir.

Ensure cap is tight, then invert tube a few times to mix.

Place in the cell holder and press Measure.

Allow timer to count down 10 minutes. Concentration of Phosphate will then be displayed.