Table 1 . Selected Properties of Distillate Fuels 



Properties 





Fuel 



Oil 





Specifications 













A 



B 



C 



D 





Viscosity, 













Kinematic, 



at 38°C (100°F), 



2.83 



3.10 



4.4 



3.81 



10.0 maximum 



centistokes 













Density, at 16°C 













(60OF): 













Specified Gravity 



0.832 



0.857 



0.874 



0.865 



0.893 maximum 



API Gravity 



38.5 



33.6 



30,4 



32.1 



27 minimum 



Color, ASTM 



1.0 



3.5 



2.5 



1.5 



- 



Distillation, °C 













10% 



238 



237 



257 



224 



260 maximum 



50% 



274 



281 



289 



281 



341 maximum 



90% 



334 



317 



318 



337 



393 maximum 



95% 



349 



327 



325 



349 



407 maximum 



Gal-Mix, 21% Murban; Oil D - 35% Los Angeles Basin, 23% Light Mix 

 (Northern California), and 42% Iranian. 



The NSFO had a much higher viscosity of 48 cs (at 122°F or 50°C) ; 

 its specific gravity was 0.984 and its API gravity 12.3; it was black; 

 and it was of unknown prior history. 



The distillate fuels were subjected to gas chromatography to 

 determine the approximate boiling point distribution of the fuel 

 components. The gas chromatographic analyses were made according 

 to ASTM D 2887-70, using conditions similar to those proposed by 

 R. E. Kreider [4]. Dual 10-ft, 1/8 in., stainless steel columns with 

 10% OV-101 on 80/100 mesh Chromosorb W (AW-DMCS) were used. The tempera- 

 ture was programmed from 75°C to 325 C at a rate of 8 per minute 

 with a 3-minute post-injection delay and a 12-minute upscale delay. 

 The injector temperature was 300 C, and the hydrogen flame detector 

 temperature was 350 C. Samples of about 3 microliters were used with 

 helium flow at 40 ml per minute and an attenuation of 10 x 16. The 

 positions of the normal alkanes were identified by comparison with 

 a chromatogram of a distillation calibration sample. 



