Petroleum crude (crude oil) GOST R 51858-2002
3 Definitions
4.1 On physical and chemical properties, degrees of preparation, to the maintenance of hydrogen sulphide and easy меркаптанов subdivide petroleum into classes, types, groups, kinds. 4.2 Depending on a mass fraction of sulfur petroleum subdivide into classes 1-4 (table 1).
Т and л and ц and 1 - Classes of petroleum
|
Class of petroleum |
The name |
Mass fraction of sulfur, % |
Test method |
|
1 |
Low sulphurous |
Up to 0,60 Inclusive. |
In accordance with GOST 1437 and 9.2 this standards |
|
2 |
Sulphurous |
From 0,61 > > 1,80 |
|
|
3 |
Highly sulphurous |
> > 1,81 > > 3,50 |
|
|
4 |
Especially Highly sulphurous |
Over 3,50 |
|
|
|
|
4.3 On density, and by delivery on export - in addition on an output(exit) of fractions and a mass fraction of paraffin petroleum subdivide into five types (table 2): 0 - especially easy; 1 - easy; 2 - average; 3 - heavy; 4 - битуминозная. |
