Parameters

Method

Reagents used

λ (nm)

Units

Suspended Solid (SS)

Spectrophotometry

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810

mg/L

Color

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455

Pt/Co

Turbidity

//

450

FTU

Nitrate ( ${\text{NO}}_3^{-}$ )

-Nitraver V

500

mg/L of ${\text{NO}}_3^{-}$

Nitrite ( ${\text{NO}}_2^{-}$ )

-Nitriver V

507

mg/L of ${\text{NO}}_2^{-}$

Phosphate ( ${\text{PO}}_4^{3-}$ )

-Phosver III

880

mg/L of ${\text{PO}}_4^{3-}$

Ammoniacal Nitrogen ( ${\text{NH}}_4^{+}$ )

-Rochelle salt and Nessler

425

mg/L of ${\text{NH}}_4^{+}$

Carbon Dioxide

Volumetry

-Sodium Hydroxide N/20

-Phenoltaleine

-Hydrochloric acid N/10

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mg/L

Biological Oxygen Demand (BOD5)

BOD meter

-Potassium Hydroxide pellet

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mg/L