18] 
Upon the Composition of some New South Wales 
Coals. 
By A. Liversipax, Professor of Geology and Mineralogy in the 
University of Sydney. 
[Read before the Royal Society of N.S. W., 8 December, 1880.] 
Tue following paper contains the results of an examination into 
the chemical composition of some samples of certain New South 
Wales coals, “kerosene shale,” and of one or two carbonaceous 
minerals which, although they cannot properly be classed with the 
. . pe this. 
upon by me to that Department in 5. e proportions of 
moisture, volatile matter, fix ash, coke, and sulphur 
only were then determined, as information upon these points is 
uite sufficient for all ordina: oses. Shortly afterwards, as 
T had the remains of the specimens, I thought it would be 
desirable to determine the ultimate composition, and to ascertain 
the fuels, calculated from the percentage amounts of carbon and 
hydrogen, correspond with their evaporative powers as determined 
¥ 
te 
ashes were analysed mainly because it was thought that a 
Knowledge of their chemical composition would be of service to the 
Course of great importance to many metallurgists to know the com- 
: coal which he uses, since some of the 
Constituents may have a bad effect upon the products of his fur- 
haces, and in some cases even render the metal useless for certain 
| Methods of Analysis.—I ma h ntion the methods of 
‘pom — y perhaps mention the me : 
analysis followed, since it is sometimes of interest to any one going 
ss ctr be aateen Picasa me BONE 
z 
Annual Report of the Mining Department, 1875, p. 127. 
