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Marine Phosphate ULR
INTERFERENCES
Interference may be caused by:
• Antimonious, Auric, Bismuth, Chloroplatinate ions, Cupric, Iron (Ferric), Iron (Ferrous), Lead, Mercurous,
Silver, Strong reducing or oxidating agents
• Nitrate above 100 ppm could yield falsely high readings
7.9. MARINE PHOSPHATE ULR
REQUIRED REAGENTS
Code
Description
Quantity
HI774‑0
Marine Phosphate ULR Reagent
1 packet
REAGENT SETS
HI774‑25
Marine Phosphate ULR Reagent
25 tests
For other accessories see Accessories section.
MEASUREMENT PROCEDURE
Select the
Phosphate Marine ULR
method using the procedure described in Method Selection section.
Note
: If tutorial mode is disabled, follow the measurement procedure below. If the tutorial mode is enabled,
press
Measure
and follow the messages on the screen.
• Fill the cuvette with 10 mL of unreacted sample (up to the mark).
Replace the plastic stopper and the cap.
• Insert the cuvette into the holder and ensure that the notch on the
cap is positioned securely in the groove.
• Press
Zero
. The display will show “‑0.0‑” when the meter is zeroed and ready for measurement.
• Remove the cuvette.
• Add the content of one packet of
HI774‑0
Marine
Phosphate ULR Reagent. Replace the plastic stopper and
the cap. Shake gently (for about 2 minutes) until the
powder is completely dissolved.
• Insert the cuvette into the holder and ensure that the notch
on the cap is positioned securely in the groove.
10 mL