420 Quarterly Report of the Chemical Committee, June 1890. 
imported on basis of 96 per cent, purity and doubly screened." 
The cake, however, was not invoiced as pure, and the vendor refused 
to put the word pure in the invoice, but stated that he sold it as 
guaranteed on the cakes. 
To an inquiry from Mr. Gross, Mr. Voelcker replied : — 
The linseed cake, sample of which you sent to me in March, was, as I 
informed you, a dirty low-quality cake. I really do not know what you 
can do in the matter, as the cake was not guaranteed pure. I can only say 
that a cake made from seed of 96 per cent, purity, and subsequently doubly 
screened, certaiDly would not contain (practically) 4 per cent, of sand. 
For the price you paid you should expect to get a really pure and high- 
quality cake ; the cake you got was neither the one nor the other. 
(c.) Mr. H. Padwick, of Manor House, Horsham, sent on April 
18, 1890, a sample of linseed-cake, price 71. 15s. per ton. The 
vendors, in offering the cake, stated that the above cakes are 
guaranteed to be made from Calcutta linseed bought on a basis of 
96 per cent, purity. The analysis of the cake was as follows : — 
Moisture 10-05\ 
Oil 9-40 
1 Albuminous compounds (flesh-forming matters) . 31 - 62 jqO'OO 
Mucilage, sugar, and digestible fibre . . . 30*78 " 
Woody fibre (cellulose) 9-20 
2 Mineral matter (ash) 8-95, 
1 Containing nitrogen . . . 5'06 
2 Including sand .... 3-60 
Contains far too much sand, and is not a pure cake, 
An allowance of 10s. per ton was made in this case. 
7. Mr. W. H. Goodall, of Stoke Grange, Market Drayton, sent 
on May 1, 1890, a sample which he described as "bones," price 51. 
per ton delivered at station. The following analysis and report were 
returned on May 7 : — 
Moisture .... 
1 Organic matter . 
Phosphate of lime ... . 41 -68 j- 100 00 
2 (Carbonate of lime, &c. 
Insoluble siliceous matter . 
1 Containing nitrogen 
Equal to ammonia . 
-' Including sulphate of lime 
,, chloride of sodium 
This sample is a boiled bone adulterated with sulphate of lime and salt. 
3rd June, 1 8!)0. (Signed) EMLYN, Chairman.' 
21-06 
19-52 
41-68 
1609 
1-65 
168 
204 
723 
3-60 
