--One part of the above solution
to three parts of a solution of citrate of ammonia.
_Greenish Brown._
2.--Citric acid. 180 grains
Carbonate of ammonia. 50 "
3.--Citrate of ammonia. 250 grains.
Chloride of sodium. 2 "
4.--Citrate of ammonia. 250 grains.
Chloride of sodium. 4 "
_Sepia Brown._
5.--Citrate of ammonia. 250 grains.
Chloride of sodium. 8 "
_Clear Red Brown._
6.--Citric acid. 120 grains.
Carbonate of magnesia. 76 "
_Warm Gray Brown._
7.--Citric acid. 120 grains.
Carbonate of soda. 205 "
_Deep Red Brown._
8.--Citric acid. 120 grains.
Carbonate of potash. 117 "
_Green Blue._
9.--Citric acid. 90 grains.
Carbonate of soda. 154 "
Citrate of potash. 24 "
Oxalate of potash. 6 "
_Sepia Red._
10.--Citric acid. 80 grains.
Carbonate of soda. 135 "
Citrate of potash.
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