International Standard
ISO 17211:2015
Stationary source emissions — Sampling and determination of selenium compounds in flue gas
Reference number
ISO 17211:2015
Edición 1
2015-08
International Standard
Vista previa
ISO 17211:2015
59408
No disponible en español
Publicado (Edición 1, 2015)
Esta norma se revisó y confirmó por última vez en 2021. Por lo tanto, esta versión es la actual.

ISO 17211:2015

ISO 17211:2015
59408
Idioma
Formato
CHF 129
Convertir Franco suizo (CHF) a tu moneda

Resumen

ISO 17211:2015 describes the method for the sampling and determination of selenium compounds in both vapour phase and solid phase that are entrained in flue gases carried in stacks or ducts. The selenium content in flue gas is expressed as a mass concentration of elemental selenium in the stack gas.

Particulate and gaseous selenium compounds are captured by a filter and an absorber solution, respectively. The total concentration of selenium compounds in flue gas is expressed as the sum of both concentrations.

The concentrations of selenium in both samples are determined using inductively coupled plasma optical emission spectrometry (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS) or graphite furnace atomic absorption spectrometry (GFAAS). Hydride generation (HG) techniques coupled to atomic spectrometry can also be used such as HG-AAS, HG-AFS (atomic fluorescence spectrometry), HG-ICP-OES and HG-ICP-MS.

The detection limit for gaseous selenium compounds is 0,3 μg/m3 using HG-ICP-MS at a sampling volume of 0,12 m3. The detection limit for particulate selenium compounds is 0,001 2 μg/m3 using this technique at a sampling volume of 2,0 m3.

Informaciones generales

  •  : Publicado
     : 2015-08
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 24
  • ISO/TC 146/SC 1
    13.040.40 
  • RSS actualizaciones

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