Annex
United Kingdom
Conversion factors between reference conditions
| Source: EN ISO 13443 ‘Natural gas — Standard reference conditions’ | ||||||
| Reference temperature in °C (combustion, volume) | 25/20 to 25/0 | 25/20 to 15/15 | 25/20 to 0/0 | 25/0 to 15/15 | 25/0 to 0/0 | 15/15 to 0/0 |
|---|---|---|---|---|---|---|
| Volume-basis real superior calorific value | 1,0738 | 1,0185 | 1,0766 | 0,9486 | 1,0026 | 1,0570 |
| Volume-basis real inferior calorific value | 1,0738 | 1,0176 | 1,0741 | 0,9477 | 1,0003 | 1,0555 |
| Real Wobbe index | 1,0736 | 1,0185 | 1,0764 | 0,9487 | 1,0026 | 1,0569 |