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FACULTY OF CHEMICAL & NATURAL RESOURCES ENGINEERING

Water & Effluent

2) WATER & EFFLUENT

NO.

TEST

REFERENCE METHOD

1

Ammonical Nitrogen (as N)

APHA 4500-NH3 C, E

2

Biological Oxygen Demand (as BOD5)

APHA 4500-O C, 5210 B

3

Chemical Oxygen Demand (as COD)

APHA 5220 B, 5220 C

4

Chlorine, Total

HACH method 8167

5

Colour (Hazen)

APHA 2120 B

6

Conductivity / Specific Resistance

APHA 2510 B

7

Dissolved Oxygen

APHA 4500-O C

8

Dissolved Solids

APHA 2540 C

9

Odour

Observation

10

Oil & Grease

Fourier Transform Infrared

11

Oil & Grease

APHA 5520 B

12

Organic Solids

APHA 2540 E

13

pH

APHA 4500-H+ B

14

Phenol i) Standard A

APHA 5530 C

15

Phenol ii) Standard B

APHA 5530 B

16

Total Alkalinity (CaCO3)

APHA 2320 B

17

Total Hardness (CaCO3)

APHA 2340 B

18

Total Solids

APHA 2540 B

19

Total Suspended Solids (TSS)

APHA 2540 D

20

Turbidity (Nephelometric Turbidity Unit)

APHA 2130 B

21

Water Content

Karl Fischer titration

22

Heavy Metal Content

AAS