Hanna-instruments HI 83211 Manual de usuario descargar pdf (Pagina 53)

Phosphate LR

• Reinsert the cuvette into the instrument.

• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait

for 3 minutes and press Read. When the timer ends the meter will perform the reading. The instrument

displays concentration in mg/L of phosphate (PO

¯).

• Press  or  to access the second level functions.

• Press the Chem Frm key to convert the result in mg/L of phosphorus (P) and phosphorus pentoxide

• Press  or  to return to the measurement screen.

INTERFERENCES

Interference may be caused by:

Iron above 50 mg/L

Silica above 50 mg/L

Silicate above 10 mg/L

Copper above 10 mg/L

Hydrogen sulfide, arsenate, turbid sample and highly buffered samples also interfere.

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Hanna-instruments HI 83211 Manual de usuario Pagina 53