of British and Foreign Salt. ng 
Carbonate of lime and oxide of iron - *- 2 
Muriate of lime, and muriate of magnesia, in nearly 
equal proportions - - - - 5 
Sulphate of lime - - - - -19 
Muriate of soda ----- 974 
1000 
2. The mother liquor, or brine that remains after separating 
all the common salt, which it is thought worth while to ex- 
tract, had the specific gravity of 1208. The dry salt contained 
Muriate of magnesia - - 35 
lime - - - 32 
Sulphate of lime - - - 6 
Muriate of soda - - 527 
1000 
3. The clearings of the brine, which are raked out of the 
pan when the salt first begins to granulate, contained in 1000 
parts, 
Muriate of soda - 
- 800 
Carbonate of lime 
- 
Sulphate of lime - 
- 159 
1000 
4. Of the substance called by the workmen pan-scale, two 
specimens were analysed, the one containing a large propor- 
tion of muriate of soda, the other very little. The first variety 
consisted of 
Muriate of soda 
- 950 
Carbonate of lime 
10 
Sulphate of lime 
- 4 ° 
1000 
