Analytical Parameters monitored at Water Lab. of Mizoram

Sl. No

Parameter

Method used

1.

Velocity of Flow

Float Method

2.

Water Temperature

Thermometric Method

3.

Dissolved  Oxygen (DO)

Iodometric Method

4.

pH

Electrometric Method

5.

Conductivity

Conductometric Method

6.

Biochemical Oxygen Demand (BOD)

Dilution Method

7.

Nitrogen-Nitrite (N-NO3)

Calorimetric Method (Diazotization Method)

8.

Total Coliform

Mutiple Tube Dilution Technique

9.

Faecal Coliform

Mutiple Tube Dilution Technique

10.

Turbidity

Turbimetric Method

11.

Total Alkalinity

Visual Titration

12.

Chloride

Argentometric titration

13.

Nitrogen Ammonia          (N-NH3)

Calorimetric Method

14.

Total hardness as CaCO3

 Complexometric Titration

15.

Calcium

Complexometric Titration

16.

Magnesium

Calculation Method

17.

Sodium

Flame Photometric method

18

Potassium

Flame Photometric method

19.

Total Dissolved Solids

Gravimetric Method

20.

Total Suspended Solids

-----do-----

21.

Phosphate,PO43-

Calorimetric Method

(Stannous Chloride Reduction Method)