...sulphate of aniline, or a cold solution of sulphate of toluidine, or a cold solution of sulphate of xylidine, or a cold solution of sulphate of cumidine,...above-mentioned solutions into a neutral sulphate. I then mil the solutions and allow them to stand for 10 or12 hours, when the mixture will consist of a black...

...aniline!, or of sulphate of tolindine, or of sulphate of xylidine, or of sulphate of cumidine, or a mixture of them, and as much of a cold solution of a soluble...above-mentioned solutions into a neutral sulphate; then mix the solutions, and allow them to stand for ten or twelve hours, when the mixture will consist...

...sulphate of toluidine, or of sulphate of xylidine, or of cumidine, or a mixture of any such solutions, and as much of a cold solution of a soluble bichromate...contains base enough to convert the sulphuric acid in the above solutions into a neutral sulphate. He then mixes the solutions, and allows them to stand...

...sulphate of toluidine, or of sulphate of xyliiline, or of cuniidine, or a mixture of any such solutions, and as much of a cold solution of a soluble bichromate as contains base enough to con. vert the sulphuric acid in the above solutions into a neutral sulphate. He then mixes the solutions,...

...sulphate of aniline, or a cold solution of sulphate of tohnidine, " or a cold solution of sulphate of xylidine, or a cold solution of " sulphate of cumidine,...any others or other of them, and as much of a cold solu" tion of a soluble bichromate as contains base enough to convert " the sulphuric acid in any of...

...sulphate of aniline, or a cold solution of sulphate of toluidine, or a cold solution of sulphate of xylidine, or a cold solution of sulphate of cumidine,...then mix the solutions and allow them to stand for 10 or 12 hours, when the mixture will consist of a black powder and a solution of a neutral sulphate....