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COD Chemical Oxygen Demand Online Analyzer
Product Summary:

SIA-3000 series COD analyzer applies advanced sequence injection platform, based on the principle of oxidized by potassium dichromate-photometry to realize reliable and accurate COD monitoring results.

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Product overview Product features Application area
Product overview

SIA-3000 Series COD analyzer applies advanced sequence injection platform, based on the principle of oxidized by potassium dichromate-photometry to realize reliable and accurate COD monitoring results.


 Pollutant Type   Monitoring Factors   Model   Principle
 Organic Compound Factor   COD  SIA-3000(COD) 
 Oxidized by Potassium Dichromate-
Photometry 
 Permanganate Index  SIA-3000(IMN)  Potassium Permanganate Titration
 Heavy Metal 
 
 Cr VI   SIA-3000(Cr) 
 1,5-Diphenylcarbazide
Spectrophotometry
 Total Chromium   SIA-3000(TCr)
 1,5-Diphenylcarbazide
Spectrophotometry
 Copper   SIA-3000(TCu)  Bathocuproine Spectrophotometry
 Nickel   SIA-3000(TNi)   Dimethylglyoxime Spectrophotometry
 Manganese   SIA-3000(TMn)   Formaldoxime Spectrophotometry
 Zinc  SIA-3000(TZn)   Zinc Reagent Spectrophotometry


Product features
  • It adopts the sequence injection platform which is advanced in the world.
  • Innovative structure of liquid storage ring, the sample or reagent never touches directly the injector, for avoiding the abrasion and corrosion of injection flow path.
  • The flow path of valve head adopts the laser micro-machining technology, which can control precisely the dimension and position of notch groove, ensure that the flow path will be with no dead volume when the valve position shifts, thus guarantee that there will be no residual reagent.




Application area
  • Municipal wastewater 
  • Industrial sewage 
  • Industrial process water supply


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