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2. Salinometer - Wikipedia

   en.wikipedia.org/wiki/Salinometer

   A salinometer. A salinometer is a device designed to measure the salinity, or dissolved salt content, of a solution.. Since the salinity affects both the electrical conductivity and the specific gravity of a solution, a salinometer often consist of an ec meter or hydrometer and some means of converting those readings to a salinity reading.

3. Saline water - Wikipedia

   en.wikipedia.org/wiki/Saline_water

   The USGS salinity scale defines three levels of saline water. The salt concentration in slightly saline water is 1,000 to 3,000 ppm (0.1–0.3%); in moderately saline water is 3,000 to 10,000 ppm (0.3–1%); and in highly saline water is 10,000 to 35,000 ppm (1–3.5%).

4. Salinity - Wikipedia

   en.wikipedia.org/wiki/Salinity

   Annual mean sea surface salinity for the World Ocean. Data from the World Ocean Atlas 2009. [1] International Association for the Physical Sciences of the Oceans (IAPSO) standard seawater. Salinity (/ s ə ˈ l ɪ n ɪ t i /) is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). It is ...

5. Total dissolved solids - Wikipedia

   en.wikipedia.org/wiki/Total_dissolved_solids

   14] Water can be classified by the level of total dissolved solids (TDS) in the water: Fresh water: TDS is less than 1,000 ppm. Brackish water: TDS = 1,000 to 10,000 ppm. Saline water: TDS = 10,000 to 35,000 ppm. Hypersaline: TDS greater than 35,000 ppm. Drinking water generally has a TDS below 500 ppm.

6. CTD (instrument) - Wikipedia

   en.wikipedia.org/wiki/CTD_(instrument)

   Side and top views with (grey) Niskin bottles and (blue) CTD-logger. CTD stands for conductivity, temperature, and depth. A CTD instrument is an oceanography sonde (French for probe) used to measure the electrical conductivity, temperature, and pressure of seawater. The pressure is closely related to depth. Conductivity is used to determine ...

7. So, Are All Your Water Bottles Made Out of Lead? - AOL

   www.aol.com/water-bottles-made-lead-212000739.html

   Lead Free Mama, LLC, tested the 32 ounce Hydroflask in 2017 and deemed it lead free, and more recently added the bottle to a 2023 round up of favorite lead-free water bottles. Owala. Owala took to ...