Rolls-Royce Archives
         « Prev  Box Series  Next »        

Laboratory report detailing the distillation and analysis of a petrol sample.


Identifier  ExFiles\Box 32\1\  Scan074
Date  11th May 1923
  
Hs {Lord Ernest Hives - Chair}
H14/EA12523
X1555
Laboratory

Re Sample of Petrol sent in by you 11.5.23

Distillation
Specific Gravity .804

Boils at 91°C
First Distillate over at 73°C

Temperature °C % Distillate Temperature °C % Distillate
100 --- 20.75 190 --- 74.25
110 --- 36.0 200 --- 75.0
120 --- 47.5 210 --- 76.0
130 --- 56.25 220 --- 76.75
140 --- 62.25 230 --- 77.5
150 --- 66.75 240 --- 79.0
160 --- 70.0 250 --- 80.75
170 --- 72.0 260 --- 83.0
180 --- 73.5

Analysis

Olefins and Di-olefins ----- 18.8 %
Aromatic Hydro-carbons ----- 72.0 %
Paraffins and cyclo-paraffins 9.2 %

This apparently contains a considerable amount of Toluene and Xylene.

Hl. Hre
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙