What is the function of seawater titration?

Measure the chlorine content in seawater. The function of seawater titration is to measure chlorine in seawater, thus indirectly obtaining the salinity of seawater. To put it bluntly, titration is an automatic liquid feeder, which can be quantified regularly. Just like a timer, a water supply device, it brings a convenient device for yourself. Without titration, manual addition is troublesome and not easy to stabilize.