Hanna-instruments HI 83214 Manual do Utilizador descarregar pdf (Página 34)

• Press Start and the display will show the countdown prior to the measurement and the “Reaction

Time” message. Alternatively, wait for 5 minutes and press Zero.

• The display will show “-0.0-” when the meter is zeroed and ready for measurement.

• Remove the blank vial.

• Place the sample vial into the holder and push it completely down.

• Press Read. The instrument will perform the reading. The instrument displays concentration in mg/L of

total nitrogen (N).

• Press s or t to convert the result in mg/L of ammonia (NH

) or mg/L of nitrate (NO

The method detects all organic and inorganic forms of nitrogen present in the sample.

INTERFERENCES

Interference may be caused by:

Bromide (Br

) above 60 mg/L

Chloride (Cl

) above 1000 mg/L

Chromium (Cr

) above 0.5 mg/L

Nitrogen, Total LR

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 71 72

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Hanna-instruments HI 83214 Manual do Utilizador Página 34