[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v1.c22.s1 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c22.s1: Æthiops Mineral A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c22.s1 - **Language:** English ### Æthiops Mineral ### [v1.c22.s1.1](https://indike.org/pramana/ins.science.ray-1902.v1.c22.s1.1) (Kajjali or rasarpati p. 61) ### [v1.c22.s1.2](https://indike.org/pramana/ins.science.ray-1902.v1.c22.s1.2) As might be expected from its mode of preparation, the substance always contains a large excess of free sulphur. ### [v1.c22.s1.3](https://indike.org/pramana/ins.science.ray-1902.v1.c22.s1.3) 0·645 gram subst; digested with carbon bisulphide, yielded 0·2845g. sulphur : whence free sulphur amounts to nearly 44 per cent. --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c22.s1](https://indike.org/pramana/ins.science.ray-1902.v1.c22.s1) · Pramāṇa