电导率与盐度 即时计算（中国水质网）

 

 

http://www.water800.com/jcff/6/ddyd051124.htm   电导率与盐度 Water Quality Monitoring: Conductivity to Salinity Conversion Salinity

• Salinity is a measure of the mass of dissolved salts (ionic constituents) in a given mass of solution and usually expressed as parts per thousand (ppt).
• Ions commonly found in water include calcium, magnesium, potassium and sodium cations and bicarbonate, carbonate, chloride, nitrate, and sulfate anions.
• Conductivity is a good measure of salinity in water. Other indirect measures are water density, sound speed, and refractive index. All can be used to calculate salinity.

Calculations

1. Collect conductivity (μS/cm) and water temperature (C) data.

1. Use spreadsheet or calculator to convert conductivity and temperature data to salinity value.

 

1.      Conductivity: (μS/cm)

Water temperature: (℃)

1.                   

         Salinity: (ppt)

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