Anions in wastewaters - Determination of Anions in Natural and Treated Waters - page 526

Table 8.2 Analysis of samples used for spiking recovery tests

Sample BOD/

mg
L −1

Suspended
solids at
105°Cl mg
L −1

Ammonia
(as N)/
mg L −1

Total
oxidised
nitrogen
(as N)/
mg L −1

pH Electrical

conductively/
µS cm −1

Anionic
detergent
(Manoxol
OT) mg
L −1

Clean river
water 1

1.5 5 0.14 0.35 6.6 90 -

Clean river
water 2

0.3 1 0.41 1.8 7.2 475 -

Peaty stream
water

2.1 7 0.29 0.8 6.6 100 -

Good sewage
effluent

9.6 17 2.6 28.0 6.8 580 -

Poor sewage
effluent

30.0 31 14.8 17.1 7.0 560 -

Septic tank
effluent

- 56 17.2 0.2 7.4 800 -

Maltings
effluent

234 80 1.8 0.1 7.2 1200 -

Detergent
manufacture
effluent

8.0 13 0.2 0.6 7.5 720 0.16

Surface water
from detergent
manufacture

1.2 2 0.8 17.0 7.5 3000 0.37

Petrochemical
treatment plant
effluent

270 84 28.8 0.1 6.5 760 -

Source: Reproduced with permission from the Royal Society of Chemistry [7]

Table 8.3 Species producing interference

Interfering
species

Level producing
interference/ mg L −1

Interfering
species

Level producing
interference/ mg L −1

Chromium(VI) 10 Hydrogen

carbonate

1000