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Hanna Instruments C 99 series User Manual

Hanna Instruments C 99 series
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28
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 the
display 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 LR
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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