THE PHILIPPINE 



Journal of Science 



a. chemical and geological science 

 and the Industries 



Vol. V JANUARY, 1910 No. 1 



TAYABAS PETROLEUM. 



By George F. Eichmond. 

 (From the Chemical Laboratory, Bureau of Science, Manila, P. I.) 



The first examination of a specimen of crude petroleum reported to 

 have been taken from a well in Tayabas Province was made in February. 

 1908, when approximately 6 liters of oil were submitted by Castle 

 Brothers- Wolf and Sons of Manila. 



The following report, Laboratory No. 56695, was rendered by the 

 Bureau of Science. 



REPORT ON CRUDE PETROLEUM. 



The crude oil as received was especially mobile, brown in color, fluorescent and 

 contained no water or sediment. Its specific gravity was 0.826 at 15° C, which 

 is somewhat higher than most American petroleums, but decidedly lower than 

 European crude oils. 



As it was so clean and dry, no preliminary purification was made, but it was 

 distilled directly into three portions. The first fraction coming over from the 

 point at which the crude oil begins to boil — viz, about 80° up to 150° — comprised 

 35 to 40 per cent of the original oil by volume. The middle fraction was collected 

 between 150° and 300° and amounted to from 40 to 45 per cent; the residue 

 left in the still above 300° measured 15 to 20 per cent. 



Each of the above fractions was in turn divided into three portions by fractional 

 distillation. Of the naphtha distillate, 50 per cent boiled between 80° and 110° 

 and is essentially naphtha; 38 per cent boiled between 110° and 150° and consists 

 mainly of ligro'm and benzine; 11 per cent remained in the still above 150° and 

 was added to the burning-oil distillate. 



The burning-oil distillate lost 3.26 per cent below 150°, which was returned 

 to the benzine fraction; 90.33 per cent boiled between 150° and 300° and consists of 

 almost water-white kerosene; 5.25 per cent remained in the still above 300°, and 

 hence was added to the residuum. 

 93401 



