The effect of concentration and temperature on the conductivity ratio of potassium chloride solutions to standard seawater of salinity 35 ‰(Cl 19.3740 ‰)

The ratios
Z_{K,t}
of electrical conductivities of potassium chloride (KCI) solutions of known concentration (
K
) to standard seawater at the same temperature have been measured at
15\deg
C and
24\deg
C for solutions with
Z_{k,15}
between 0.96 and 1.04. The "normal" concentration (
N or K_{N}
) giving
Z_{N,15}= 1
was found to be
K_{N} = 32.4356
gKCI/kg solution. The effect of temperature on
Z_{N,t}
was measured over the range
15\deg
C to
30\deg
C. Equations are given for KCI concentration as a function of
Z_{15}
and the inverse function, for
Z_{15}/Z_{24}
as a function of
Z_{24}
(to allow use of a laboratory salinometer for the KCI-seawater comparisons), and
Z_{N,t}
as a function of temperature.