Analytical Method: Nitrate in effluents

Photometric determination

Instruments and Reagents:

Cat.No. 173016 Spectroquant® VIS Spectrophotometer Prove 100 or

Cat.No. 173017 Spectroquant® UV/VIS Spectrophotometer Prove 300 or

Cat.No. 173018 Spectroquant® UV/VIS Spectrophotometer Prove 600 or

Cat.No. 109748 Spectroquant® Photometer NOVA 30 or

Cat.No. 109751 Spectroquant® Photometer NOVA 60 or

Cat.No. 173632 Spectroquant® Colorimeter Move 100

Cat.No. 114946 Rectangular cells 10 mm and/or

Cat.No. 114947 Rectangular cells 20 mm and/or

Cat.No. 114944 Rectangular cells 50 mm
Cat.No. 114542  Spectroquant® Nitrate Cell Test
Cat.No. 114563  Spectroquant® Nitrate Cell Test*
Cat.No. 114764  Spectroquant® Nitrate Cell Test*
Cat.No. 114773  Spectroquant® Nitrate Test
Cat.No. 109713  Spectroquant® Nitrate Test*
   
*not compatible with Move 100
    
Generally:
Items 114542 and 114773 tolerate high chloride contents samples. The tolerance of COD is low for both. Items 114563, 109713 tolerate high chloride and COD contents but no coloration.
 
Sample preparation:
Cloudy samples must be filtered before determination.
 
Analysis:
Determine with the above mentioned test kits.
 
Calculation:
Nitrate content in mg/l NO3-N = analysis value in mg/l NO3-N

Materials

     
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