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LVS EN ISO 23696-1:2026
standard
EN
Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023)
13.97 €
LVS EN ISO 23696-2:2026
standard
EN
Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023)
13.97 €
LVS EN ISO 23697-1:2026
standard
EN
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)
13.97 €
LVS EN ISO 23697-2:2026
standard
EN
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)
13.97 €
LVS EN ISO 23698:2025
standard
EN
Cosmetics - Measurement of the sunscreen efficacy by diffuse reflectance spectroscopy (ISO 23698:2024)
26.12 €
LVS EN ISO 23702-1:2023
standard
EN
Leather - Per- and polyfluoroalkyl substances - Part 1: Determination of non-volatile compounds by extraction method using liquid chromatography (ISO 23702-1:2023)
20.34 €
LVS EN ISO 23739:2023
standard
EN
Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of zirconium oxide powders (ISO 23739:2021)
17.61 €
LVS EN ISO 23747:2015
standard
EN
Anaesthetic and respiratory equipment - Peak expiratory flow meters for the assessment of pulmonary function in spontaneously breathing humans (ISO 23747:2015)
21.25 €
LVS EN ISO 23753-1:2019
standard
EN
Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) (ISO 23753-1:2019)
13.97 €
LVS EN ISO 23753-1:2019/A1:2021
amendment
EN
Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) - Amendment 1 (ISO 23753-1:2019/Amd 1:2020)
8.81 €
LVS EN ISO 23753-2:2019
standard
EN
Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) (ISO 23753-2:2019)
13.97 €
LVS EN ISO 23753-2:2019/A1:2021
standard
EN
Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) - Amendment 1 (ISO 23753-2:2019/Amd 1:2020)
8.81 €