Variable Definition: 
Sodium; Sodium (Na)
Variable Description: 

Sodium
detection limit 0.01
Sodium (up to 1994 by atomic absorption spectroscopy; after 1994 by ion chromatography with conductivity detection) in mg/L

Unit: 
parts per million; Concentration ppm
Value Type: 
Average
Data Type: 
real
Attribute or Value: 
Variable
Data Sets using this Variable: