Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023)
€58.00
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)
Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023)
Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023)
Qualité de l’eau - Dosage d’œstrogènes sélectionnés dans des échantillons d’eau totale - Méthode par extraction en phase solide (SPE) suivie d’une détection par chromatographie en phase liquide (CL) ou en phase gazeuse (CG) couplée à la spectrométrie de masse (SM)
€141.50
Qualité de l’eau - Détermination de l’azote lié total (ST-TNb) dans l’eau à l’aide de tubes fermés à petite échelle - Partie 2 : Réaction colorimétrique à l’acide chromotropique
€59.00
Water quality. Determination of selected estrogens in whole water samples. Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection
€404.00
Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO 13646:2025)
€187.00
Water quality. Determination of dissolved chromium(VI) in water. Photometric method
€316.00
Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025)
€145.00
Water quality — Determination of selected estrogens in whole water samples — Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection
€235.00
German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 53: Determination of Trifluoroacetic acid (TFA) in water - Method using liquid chromatography and mass spectrometric detection (LC-MS/MS) after direct injection (F 53)
€91.03
Water quality — Determination of dissolved chromium(VI) in water — Photometric method
€183.00
Qualité de l'eau - Détermination du nitrate dans l'eau à l'aide de tubes fermés à petite échelle - Partie 1 : Réaction colorimétrique au diméthylphénol
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Qualité de l'eau - Détermination de l'azote-ammonium dans l'eau - Méthode à petite échelle en tubes fermés
