From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Laboratory analysis report on a petrol sample containing 11.5% benzole.
| Identifier | ExFiles\Box 1\2\ B001_X 53-page62 | |
| Date | 16th January 1925 | |
| C O P Y. Hs.{Lord Ernest Hives - Chair} for Mr. Robotham. H15/EA16.1.25. Labatory. RE. SAMPLE OF PETROL CONTAINING 11½% BENZOLE. Distillation :- Specific gravity .712 Initial boiling point -------- 38ºC Final boiling point ----------183ºC Residue ---------------------- 1.5% Total distillate ------------- 97.5% Loss ------------------------- 1.0% Temperature. % distillate. 70 -------- 4.0 80 -------- 18.0 90 -------- 38.0 100 ------- 58.5 110 ------- 73.0 120 ------- 81.0 130 ------- 86.5 140 ------- 90.5 150 ------- 92.0 160 ------- 94.0 170 ------- 95.5 Analysis. Olefines and di-olefines -------- 9.8% Aromatic hydro-carbons -------- 25.2% Paraffins and cylco-paraffins --- 66.0% Hl. | ||