ISO 7890-3:1988
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Water quality — Determination of nitrate — Part 3: Spectrometric method using sulfosalicylic acid
| Published By | Publication Date | Number of Pages |
| ISO | 1988-12 | 7 |
Procedure given is applicable to raw and potable water. The range covers a nitrat nitrogen concentration up to 0,2 mg/l using the maximum test portion of 25 ml. Using cells of path length 40 mm and a 25 ml test portion the limit of detection lies within the range 0,003 to 0,013 mg/l.
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