ISO 7890-2:1986
$12.35
Water quality — Determination of nitrate — Part 2: 4-Fluorophenol spectrometric method after distillation
| Published By | Publication Date | Number of Pages |
| ISO | 1986-01 | 6 |
Procedure given is applicable to the direct analysis of potable and raw water, but is particularly intended for polluted waters and saline waters. The range covers a nitrat nitrogen concentration up to 45 mg/l using a 5 ml test portion, and a cell of path length 10 mm. A concentration of 0,22 mg/l can be detected. Potential interferences from nitrite and chloride are removed, certain substances may distil over and colour the distillate.
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