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What are the two methods used to measure salinity?

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Method 1. Using a Handheld Refractometer. 1. Use this tool to accurately measure salinity in liquids. Refractometers measure how much light bends, or refracts, when .... Some aquarium hobbyists like to use both a conductivity meter and one of the other tools described on this page, in order to confirm their salinity reading. read more

Furthermore, at sea methods involving weighing can not be used. So the methods to be applied on board a ship have to be indirect ones. In the past century only two major methods have been used in the oceanography for measurement of the seawater samples salinity: chlorinity titration and conductometry. read more

Use this to measure salinity of soil or water. An electrical conductivity meter, or EC meter, is the only common device that can be used to measure the salinity of soil. It can also be used to measure the salinity of water, but a high-quality EC meter may be significantly more expensive than a refractometer or hydrometer. read more

Salinity measurement There are two main methods of determining the salt content of water: Total Dissolved Salts (or Solids) and Electrical Conductivity. Total Dissolved Salts (TDS) is measured by evaporating a known volume of water to dryness, then weighing the solid residue remaining. read more

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3 Ways to Measure Salinity - wikiHow
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