SIST ISO 14154:2006

Oznaka standarda: SIST ISO 14154:2006
Koda projekta: 036132
Organizacija: SIST
Naslov (angleški): Soil quality -- Determination of some selected chlorophenols -- Gas-chromatographic method with electron-capture detection
Naslov (slovenski): Kakovost tal – Določevanje izbranih klorofenolov - Metoda plinske kromatografije z EC (electron-capture) detekcijo
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Tehnični odbor: KAT - Karakterizacija tal, odpadkov in blata
ICS: 13.080.10
Status: Objavljen
Objavljen: 01-Sep-2006
Refer. št. objave: Sporocila 2006-09-01
Referenčna oznaka: ISO 14154:2005
Področje projekta (angleško): This International Standard describes the gas chromatographic determination of 15 chlorophenols (2,3-, 2,4- 2,5-, 2,6-, 3,4- and 3,5-dichlorophenol; 2,3,4-, 2,3,5-, 2,3,6-, 2,4,5-, 2,4,6- and 3,4,5-trichlorophenol, 2,3,4,5- and 2,3,4,6-tetrachlorophenol and pentachlorophenol) in soil samples. This method can also be applied to other solid samples such as sediments and solid wastes. This International Standard describes an acid-base liquid extraction, followed by acetylation and then liquid/liquid extraction. Determination of mass concentration is then carried out by gas chromatography and electron-capture detection. This method is applicable to chlorophenols at the lowest mass concentrations ranging from approximately 0,01 mg/kg to 0,05 mg/kg depending on the component sensitivity and the quantity of sample used. In some cases complete separation of isomers cannot be achieved, in which case the sum is reported (for instance 2,4- and 2,5-dichlorophenols).

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