STN EN ISO 23696-2
| Označenie: | STN EN ISO 23696-2 |
| Platnosť: | Platná |
| Počet strán: | 20 |
| Jazyk: |
EN
Pripravuje sa preklad do slovenského jazyka. Pre viac informácií nás kontaktujte na navrhynoriem@normoff.gov.sk
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| Listinná verzia: | 14,10€ |
| Elektronická verzia: |
a) Bez možnosti tlače, prenosu textu a obrázkov:
12,69€ b) Bez možnosti tlače, s prenosom textu a obrázkov: 14,10€ c) S možnosťou tlače, prenosu textu a obrázkov: 18,33€ |
| Slovenský názov: | Kvalita vody. Stanovenie dusičnanov vo vode skúmavkovou metódou pre malé objemy vzoriek. Časť 2: Farebná reakcia s kyselinou chromotropovou (ISO 23696-2: 2023) |
| Anglický názov: | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023) |
| Dátum vydania: | 01. 05. 2026 |
| Dátum zrušenia: | |
| ICS: | 13.060.50 |
| Triediaci znak: | 75 7493 |
| Úroveň zapracovania: | idt ISO 23696-2:2023, idt EN ISO 23696-2:2025 |
| Vestník: | 04/26 |
| Zmeny: | |
| Nahradzujúce normy: | |
| Nahradené normy: | |
| Poznámka vo Vestníku: | Rozpracovaná prekladom. |
| Predmet normy: | This document specifies a method for the determination of nitrate as NO3-N in water of various origin such as natural water (including groundwater, surface water and bathing water), drinking water and wastewater, in a measuring range of concentration between 0,20 mg/l and 30 mg/l of NO3-N using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required. The measuring ranges can vary depending on the type of the small-scale sealed tube method of different manufacturers. It is up to the user to choose the small-scale sealed tube test with the appropriate application range or to adapt samples with concentrations exceeding the measuring range of a test by preliminary dilution. NOTE 1 The results of a small-scale sealed tube test are most precise in the middle of the application range of the test. Manufacturers' small-scale sealed tube methods are based on chromotropic colour reaction, depending on the typical operating procedure of the small-scale ... |
| Náhľad normy: | Náhľad normy (PDF) |