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ISO 9964-1:1993 PDF
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Water quality — Determination of sodium and potassium — Part 1: Determination of sodium by atomic absorption spectrometry
The principle of the method specified is adding a caesium chloride solution to the sample as an ionization suppressant, aspirating the sample directly into the air/acetylene flame of an atomic absorption spectrometer and measuring the absorbance at a wavelength of 589,0 nm. Applies to water samples with a mass concentration of potassium in the range from 5 mg/l to 50 mg/l. This range can be extended if other dilution factors are chosen.
| Edition | 1993 |
|---|---|
| Standard Part No | 1 |
| Published Date | 1993 |
| Published By | International Standardization Organisation |
| Page Count | 4 |
