Note 66 — Of the London Chimney-Sweepers. (continued 5)
Reading edition
The following is the analysis of a gallon of sewage, also dried to evaporation, by Professor Miller:—
Ammonia3·26
Phosphoric acid0·44
Potash1·02
Silica0·54
Lime7·54
Magnesia1·87
Common salt13·66
Sulphuric acid7·04
Carbonic acid4·41
Combustible matter, containing 0·34 nitrogen5·80
Traces of oxide of iron.
Making in solution45·58
Matters in suspension, consisting of combustible matters, sand, lime, and oxide of iron44·50