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13. STANDARD METHODS
Description
Ammonia LR
Ammonia MR
Ammonia HR
Calcium
Iron(II)/(III)
Magnesium
Nitrate
Phosphate HR
Potassium
Sulfate
Range
0.00 to 3.00 mg/L (as NH
-N)
3
0.00 to 10.00 mg/L (as NH
-N)
3
0.0 to 100.0 mg/L (as NH
-N)
3
2+
0 to 400 mg/L (as Ca
)
0.00 to 6.00 mg/L (as Fe)
2+
0 to 150 mg/L (as Mg
)
-
0.0 to 30.0 mg/L (as NO
- N)
3
3-
0.0 to 30.0 mg/L (as PO
)
4
0.0 to 20.0 mg/L (as K)
2-
0 to 150 mg/L (as SO
)
4
Method
Nessler
Nessler
Nessler
Oxalate
EPA 315B
Calmagite
Cadmium reduction
Amino Acid
Tetraphenylborate
Barium Chloride
71
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