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Standard ČSN EN 61198 1.3.1997 preview

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ČSN EN 61198 (346712)

Mineral insulating oils - Methods for the determination of 2-furfural and related compounds



STANDARD published on 1.3.1997


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The information about the standard:

Designation standards: ČSN EN 61198
Classification mark: 346712
Catalog number: 21051
Publication date standards: 1.3.1997
SKU: NS-159811
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Insulating gases

Annotation of standard text ČSN EN 61198 (346712):

Tato mezinárodní norma popisuje zkušební metody pro analýzu 2-furfuralu a jemu příbuzných sloučenin, které vznikají degradací izolace z celulozy a jsou obsaženy v minerálních izolačních olejích, odebraných z elektrických zařízení. 2-furfural a jemu příbuzné furanové sloučeniny rozpuštěné v minerálním oleji se analyzují vysokoúčinnou kapalinovou chromatografií (HPLC). Před HPLC analýzou se furanové deriváty extrahují z oleje vhodnou extrakční metodou jako je extrakce z kapaliny do kapaliny (metoda A) nebo extrakce tuhou fází - na dělicí koloně plněné silikagelem (metoda B)

Preview of the standard ČSN EN 61198 (346712)

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