14
FOR EXAMPLE:
A fresh water sample at 20°C has a pH of 8.5 and the test result is 1.0 ppm as Total
Ammonia.
1.
The percentage from the table is 11.18% (or 0.1118).
2.
1 ppm Total Ammonia x 0.1118 = 0.1118 ppm Unionized Ammonia
3.
Total Ammonia
1.0000 ppm
Unionized Ammonia
_
0.1118 ppm
Ionized Ammonia
=
0.8882 ppm
To convert Ammonia (NH
3
) to Ammonia-Nitrogen (NH
3
-N) multiply by 0.823
To convert Nitrite (NO
2
) to Nitrite-Nitrogen (NO
2
-N) multiply by 0.304
To convert Nitrate (NO
3
) to Nitrate-Nitrogen (NO
3
-N) multiply by 0.226
DISK DESCRIPTIONS
Fish Farming Freshwater Disk
FX104 (Code 4351)
Alkalinity
Ammonia
Hardness
pH
Phosphate
Nitrate
Nitrite
pH
Nitrite
Total
Alkalinity
Low
Range
pH
Blank
Low Range
Hardness
High
Range
pH
Empty
Nitrate
Phosphate
Ammonia
Fish Farming Saltwater Disk
FX203 (Code 4352)
Alkalinity
Ammonia
Calcium
Magnesium
Nitrate
Nitrite
pH
Phosphate
pH
Nitrite
Alkalinity
High
Range
pH
Blank
Magnesium
Phosphate
Empty
Nitrate
Calcium
Ammonia
NOTE: Colored reagents may be visible in the disk before adding sample water.
