Water Quality

Details of applicable method of analysis; Equipments, Glassware and Chemicals required:

     SALINITY
Applicable Method: Argentometric Titration.
Equipments: No specific instrument required. 
Chemicals: Standard Sea Water (IAPSO), Silver Nitrate, Potassium Chromate, Sodium Chloride.
Glassware: Automatic zero-adjusting 35 mL Buret, Erlenmeyer Flask, Stopper Flask with rubber stopper.

     TURBIDITY
Applicable Method:  Nephelometric Method.
Equipments:  Turbidimeter, Sample tubes.
Chemicals: Hydrazine Sulfate, Hexamethylenetetramine.
Glassware:  100 mL Volumetric Flask.

     DISSOLVED OXYGEN/OXYGEN DEMAND (BIO-CHEMICAL)
Applicable Method: Luminescent Dissolved Oxygen Measurement System.
Equipments:  Luminescent Dissolved Oxygen probe (LDO), BOD Incubator. 
Chemicals: KH2PO4, K2HPO4, Na2HPO4.7H2O, NH4Cl, MgSO4.7H2O, CaCl2, FeCl3.6H2O, Na2SO3.
Glassware:  300 mL BOD Bottles, 10 mL Volumetric Pipette.

     SUSPENDED SOLIDS
Applicable Method: Photometric Method.
Equipments:  Spectrophotometer, Sample cells, Adapter (Multi cell), Blender.
Chemicals: None.
Glassware:  600 mL Beaker, 500 mL graduated cylinder.

     PHOSPHATE - PHOSPHORUS
Applicable Method: Ascorbic Acid Method.
Equipments:  Spectrophotometer, DRB Reactor for use with 13 mm wells, 100-1000 uL Pipette with pipette tips, Test tube rack for 13 mm vials.
Chemicals: Phosphorus, reactive Total HR TNT 844 Reagent Set.
Glassware:  No specific.

     NITRITE - NITROGEN
Applicable Method: Diazotization Method.
Equipments:  Spectrophotometer, 100-1000 uL Pipette with pipette tips, Test tube rack for 13 mm vials.
Chemicals: TNT 840 HR Nitrite Reagent Set.
Glassware:  No specific.

     AMMONIA - NITROGEN
Applicable Method: Salicylate Method.
Equipments:  Spectrophotometer, 100-1000 uL Pipette with pipette tips, Test tube rack for 13 mm vials.
Chemicals: Ammonia, HR TNT 832 Reagent Set.
Glassware:  No specific.

     SILICATES
Applicable Method: Slilcomolybdate Method.
Equipments:  Spectrophotometer, Sample cells, Adapter.
Chemicals: High range Silica Reagent Set.
Glassware:  No specific.

     PETROLEUM HYDROCARBONS
Applicable Method: Immunoassay Method.
Equipments:  Spectrophotometer, 100-1000 uL Pipette with pipette tips, Caps (Flip spout), Marker, Rack for 1 cm micro cuvettes, Disposable wipes, 10 to 50 uL and 50 to 1000 uL Wiretrol pipettes. If Soil samples are to be tested then additional Soil Extraction refill kit is needed.
Chemicals: TPH reagent set.
Glassware:  10 mL Graduated cylinder.

     PHENOLS
Applicable Method: 4-Aminoantipyrine Method.
Equipments:  Spectrophotometer, Sample cells, Adapter, Clippers, Cotton Balls, 4 inch support ring, 5X8 inch support for Ring stand.
Chemicals: Phenol Reagent Set.
Glassware:  50 mL & 500 mL Graduated Cylinder, 500 mL Separating funnel, 5 mL class A volumetric pipette.

                                                                                    
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