190 NEW SOUTH WALES COALS. 
Analysis of Ash. 
Silica... “ay sie see avs 39° 
Alumina... evs ie — is See 
Iron sesquioxide ... és ee «26°02 
Manganese ... So a 1°03 
Cis ee 4°35 
Magnesia... ae ae wis ai “30 
Potash we a Ws wi ... traces 
Soda... oS: pee ay ima ee ee 
Phosphoric acid... i se . 12 
Sulphuric acid 3H ie oe ve OE 
100°87 
AGRICULTURAL CompaANy’s Mine, Newcas 
Very similar to the Waratah coal, bat a “hade a bright. 
Breaks into irregular cuboidal fragments Does not soil the fingers. 
Contains films of mineral char 
Specific gravity, 1-297. 
Proximate Analysis. 
Moi $a ae aa 
Volatile | hydrocarbons ve ... 33°60 
Fixed carbon mn BY 32} Coke 62:87 per cent. 
Sakae Seated 
100°00 
Coke.—A good firm ype 3 very large cauliflower-like excrescenses: 
Ash.—Heavy, w 
Dried at 100° C. 
Ultimate Analysis. 
san mcod Sipe ae ee ae pa 
Hydrogen 
xygen 7°28 
Sulphur ‘> 
itrogen 5-47 
100°00 
ee calorific intensity, 8,235. would 
y experiments with the calorimeter 1 1b. of this coal 
convert TD: 92 Ibs. of water into steam 
Analysis of Ash. 
Silica a = ee ee 
Alumina ... re . 2 
Tron sesquioxide . 3 
Lime Soi a A ive ote 00 
a a see tee ove vee v4 19 
ee 
Phos horie acid ... ae seat a 
Sulphuric acid ; via Sole 
100°59 
