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METHODOLOGY: WATER POLLUTANTS

 
Inorganics 

 

Parameters Instrument Method Name Reference
Color Tintometer Visual Method (APHA-manuals), USA
pH pH Meter Electrometric method (APHA-manuals), USA
Alkalinity Alkalinity Titration Method (APHA-manuals), USA
Acidity Titrimetric Titration Method (APHA-manuals), USA
Turbidity Turbiquent Instrumental Method (APHA-manuals), USA
Total dissolved Solids TDS meter Instrumental method  
Conductivity Conductivity -Meter Instrumental method (APHA-manuals), USA
Hardness Titrimetric EDTA titrimetric method (APHA-manuals), USA
Dissolved Oxygen DO- Meter Electrode method (APHA-manuals), USA
Chemical oxygen demand COD- Reactor
UV-VIS Spectrophotometer		 COD method  
Biological Oxygen Demand BOD- Incubator BOD method (APHA-manuals), USA
Bromide UV-VIS Spectrophotometer Phenol Red Colorimetric method (APHA-manuals), USA
Chloride UV-VIS Spectrophotometer Argentometric method (APHA-manuals), USA
Fluoride UV-VIS Spectrophotometer SPADNS method (APHA-manuals), USA
Nitrate UV-VIS Spectrophotometer Ultra Violet Spectrophotometric Screening Method (APHA-manuals), USA
Nitrite UV-VIS Spectrophotometer Colorimetric method (APHA-manuals), USA
Phosphate UV-VIS Spectrophotometer Vanado Phosphomolybdophosphoric acid method (APHA-manuals), USA
Sulfate UV-VIS Spectrophotometer Turbidimetric method (APHA-manuals), USA
Calcium Titrimetric EDTA titrimetric Method (APHA-manuals), USA
Magnesium Gravimetric Gravimetric Method (APHA-manuals), USA
 
Organic

 

Substances analysed Protocol Instrument Model Detectors
VOCs EPA-502.2 GC Thermoquest - Trace GC FID/TCD
PAHs EPA-610, EPA-550, 550.1 GC/HPLC Thermoquest - Trace GCAgilent 1100series (HP) ECDDAD/FD
PCBs EPA-508A GC Thermoquest - Trace GC ECD
Pesticides EPA-508, 547, 548, 549 GC/HPLC Thermoquest - Trace GCAgilent 1100series (HP) ECDDAD/FD
 
Protocols used:
The analytical manuals for testing water include:

1. Environmental Protection Agency (EPA-manual), USA

2. Food and Drug Administration (FDA-manual), USA

3. Association of Official Analytical Chemists (AOAC-manual). USA

4. American Public Health Association (APHA-manuals) USA

5. Bureau of Indian Standards (BIS) (laboratory procedures), India

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