Norm

NEN-EN-ISO 16591:2008 2e Ontw. en

Aardolieproducten - Bepaling van het zwavelgehalte - Oxidatieve microcoulometrische methode

  • Deze norm is ingetrokken sinds 27-12-2010

25,62

Over deze norm

Status Ingetrokken
Aantal pagina's 21
Commissie Vloeibare en gasvormige brandstoffen, smeermiddelen en verwante producten
Gepubliceerd op 01-07-2008
Taal Engels
This International Standard specifies a method for the determination of the sulfur content by oxidative microcoulometry of petroleum light and middle distillates with a final boiling point not higher than 400 °C. It is applicable to materials with sulfur contents in the range of 1 mg/kg to 100 mg/kg. Products with sulfur contents above 100 mg/kg can be analysed after dilution with a suitable sulfur-free solvent. Products with sulfur contents below 1 mg/kg can also be analysed by a modified technique described in Annex A. The precision quoted only applies to measurements in the 1 mg/kg to 100 mg/kg range. Nitrogen interferes with the analysis at concentrations above 0,1 % (m/m), and chlorine interferes at concentrations above 1,0 % (m/m), but these interferences are overcome by the addition of sodium azide to the cell electrolyte. Bromine and organometallic compounds also interfere with the analysis at concentrations above approximately 500 mg/kg.

Details

ICS-code 75.080
75.160
Nederlandse titel Aardolieproducten - Bepaling van het zwavelgehalte - Oxidatieve microcoulometrische methode
Engelse titel Petroleum products - Determination of sulfur content - Oxidative microcoulometry method
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