Chlorine Monitoring and Dechlorination Techniques Handbook
Chlorine Monitoring and Dechlorination Techniques Handbook
Chlorine Monitoring and Dechlorination Techniques Handbook
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Trace Residual<br />
<strong>Chlorine</strong> (TRC) as<br />
mg/L present in<br />
the water to be<br />
neutralized<br />
<strong>Chlorine</strong> <strong>Monitoring</strong> <strong>and</strong> Dechlorinating <strong>Techniques</strong> H<strong>and</strong>book<br />
Table 3-5<br />
Volume (in mL) of Sodium Thiosulphate Pentahydrate Solution<br />
Required to Neutralize 10,000 Litres of Chlorinated Water<br />
Stock Solution of Sodium Thiosulphate Pentahydrate<br />
1% 2% 5% 10%<br />
0.1 142 71 28 13<br />
0.3 427 212 83 40<br />
0.5 711 354 138 66<br />
0.7 996 496 193 93<br />
0.9 1281 637 221 119<br />
1 1423 708 276 133<br />
2 2846 1416 553 265<br />
NB: Stock solution can be prepared by using sodium thiosulphate pentahydrate. Refer to Table 3-3 for requirements<br />
to make up the solutions.<br />
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