BS EN 14639:2005 – Crude tar and crude benzole — Characteristics and test methods
1 Scope
This European Standard defines the methods of tests for the determination of the characteristics of crude tar and crude benzole.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN ISO 3675, Crude petroleum and liquid petroleum products – Laboratory determination of density – Hydrometer method (ISO 3675:1998)
EN ISO 6245, Petroleum products – Determination of ash (ISO 6245:2001)
EN ISO 14596, Petroleum products – Determination of sulfur content – Wavelength-dispersive X-ray fluorescence spectrometry (ISO 14596:1998)
ISO 760, Determination of water – Karl Fischer method (General method)
ISO 3733, Petroleum products and bituminous materials – Determination of water – Distillation method
ISO 3924, Petroleum products – Determination of boiling range distribution – Gas chromatography method
ISO 6257, Carbonaceous materials used in the production of aluminium – Pitch for electrodes – Sampling
ISO 6376, Carbonaceous materials for the production of aluminium- Pitch for electrodes – Determination of content of toluene-insoluble material
ISO 6791 , Carbonaceous materials for the production of aluminium – Pitch for electrodes – Determination of contents of quinoline-insoluble material
3 Characteristics for crude tar
3.1 Water content
3.2 Density 20 °C
3.3 Ash value
3.4 Quinoline-insoluble content
3.5 Toluene-insoluble content
3.6 Sulphur content
3.7 Metal content
4 Characteristics for crude benzole
4.1 Water content
4.2 Density 20°C
4.3 BTEX content
4.4 Sulphur content
5 Specifications
Specifications of the national standardisation organisations shall be used.
The typical values given in Annex A can be used as requirements.
6 Sampling
The method of sampling is described in ISO 6257.
BS EN 14639:2005 – Crude tar and crude benzole — Characteristics and test methods