Chlorinity

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The chlorinity of water is defined the mass of chlorine equivalent to the total mass of halogen contained in the mass of 1 kg seawater. It is determined by the Mohr-Knudsen-titration, where, however, flour is neglected.

The halogen concentration of sea water can be expressed in terms of chlorosity which is the number of grams of chloride and chloride equivalents to the bromide in one litre of sea water at 20 degree celcius.

Chlorinity is related to chlorosity as,

Chlorinity(^o/_oo) - chlorosity/density

Chorinity is related to salinity as, Salinity(^o/_oo) = 0.03+ 1.805 x chlorinity