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Hanna Instruments C 99 series User Manual

Hanna Instruments C 99 series
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26
Remove the cuvet.
Add 4 drops of the First reagent (6
drops in case of seawater analysis).
Replace the cap and mix the
solution.
Add 4 drops of the Second reagent
(10 drops in case of seawater
analysis). Replace the cap and mix
the solution.
Reinsert the cuvet into the instrument.
Press TIMER and the display will show the countdown prior to the
measurement or, alternatively, wait for 3 minutes and 30 seconds
and press READ DIRECT. In both cases “SIP” will blink during
measurement.
The instrument directly displays concentration in mg/L of ammonia
nitrogen (NH
3
-N) on the display.
To convert the reading to mg/L of ammonia (NH
3
), multiply by a
factor of 1.216.
INTERFERENCES
Interference may be caused by:
acetone, alcohols, aldehydes, glycine, hardness above 1 g/L, iron,
organic chloramines, sulfide, various aliphatic and aromatic amines.
Ammonia MR
x 4
x 4

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Hanna Instruments C 99 series Specifications

General IconGeneral
BrandHanna Instruments
ModelC 99 series
CategoryMeasuring Instruments
LanguageEnglish

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