Water drops on the hydrophobic surface of grass. In chemistry, hydrophobicity is the physical property of a molecule (known as a hydrophobe) that is seemingly repelled from a mass of water. (Strictly speaking, there is no repulsive force involved; it is an absence of attraction.) In contrast, hydrophiles are attracted to water.
Ocean salinity is generally defined as the salt concentration (e.g., Sodium and Chlorure) in sea water. It is measured in unit of PSU (Practical Salinity Unit), which is a unit based on the properties of sea water conductivity. It is equivalent to per thousand or (o / 00) or to g/kg.
Salinity Calculator. Calculate Salinity from electrical conductivity and temperature of a solution: Use the following calculator to calculate Salinity from electrical conductivity for any solution. The Salinity range for this calculator is from S = 2 to S = 42.Lab Procedure: 1  Measure temperature of sample in Celsius degree (C). 2  Measure the electrical conductivity (in uS/cm) of the same sample using conductivity meter at specified temperature in step 1. Measure temperature of sample in Celsius degree (C). 2  Measure the electrical conductivity (in uS/cm) of the same sample using conductivity meter at specified temperature in step 1. 3  Enter temperature (C) and electrical conductivity (uS/cm) in the following calculator. 4  Press recalculate button to calculate Salinity.