336 Quarterly Reports of the Chemical Committee, 1886. 
9. Mr. Henry Watson, of Merrington Grange, Ferry Hill, 
sent on June 12th, 1886, a sample of dissolved bone, " price 11. 
delivered, guaranteed pure," upon which Dr, Voelcker reported 
as follows : — 
" June 22nd, 1886. 
Moisture 14-39 
'Organic matter and water of combination . . . . 30 • 55 
Monobasic phosphate of lime 13 "66 
Equal to tribasic phosphate of lime (bone) ^r,, . oqn 
phosphate) rendered soluble by acid . . 
Insoluble phosphates 3 "04 
Sulphate of lime, alkaline salts, &c 34*52 
Insoluble siliceous matter 3 • 84 
100-00 
* Containing nitrogen 2 • 91 
Equal to ammonia 3 • 53 
" This is not a pure sample of dissolved bone, but is one made up with 
sulphate of ammonia, which gives the high percentage of ammonia shown in 
the analysis. " J. Augustus Voelckee." 
In answer to inquiries, Dr. Voelcker was unable to obtain 
the name of the vendors or any further particulars. 
10. Mr. Thomas Mansell, of Harrington Hall, Shifnal, sent 
on June 10th, 1886, a sample of manure invoiced " Swede 
Manure," 1 ton 1 cwt. of which he had purchased at 4/. \0s., 
less 5 per cent, for cash, from the Manchester Phosguano Com- 
pany, Limited, 13, Norfolk Street, Manchester, through an 
agent. The Company sent Mr. Mansell a circular, in which 
was the statement : — " All the Company's manures are sold 
subject to guaranteed analyses." The following was the analysis 
given of the swede manure : — 
" Analysis by Mr. W. S. Spencer, Analyst, Manchester : — 
Lime 28-70 
Potash 8-40 » 
Soda 1-61 
Phosphate _ 13-00 
Sulphuric acid, as sulphate of lime 3-81 
Carbon, organic matter, &c 8-00 
Suljihate of ammonia 6-50 
Carbonic acid, alumina, sulphide of calcium .. 23-38 
Sand and silica 4-50 
Water 2-10 
100-00" 
Dr. Voelcker's report on Mr. ManseU's sample was, how- 
ever : — 
