NEN 6442-1979
Water - Flame photometric determination of sodium and potassium content

Standard No.

NEN 6442-1979

Release Date

1979

Published By

NL-NEN

Latest

NEN 6442-1979

Scope

The standard applies to water containing sodium and potassium in concentrations of 0.1 to 10 mg/l. Higher concentrations can be determined after dilution. Note Sodium and potassium can interfere with each other's determination (see 7.3). The interference by other ions can generally be neglected.

NEN 6442-1979 history

• 1979 NEN 6442-1979 Water - Flame photometric determination of sodium and potassium content