DIN EN ISO 13395:1996-12 水質(zhì) - 通過流量分析(CFA 和 FIA)和光譜檢測(ISO 13395:1996)測定亞硝酸鹽氮和硝酸鹽氮及其總和
Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996