History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t5.12
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t5.12
- Language
- English
v1.c13.s2.t5.12
enough to prevent the diffusion or escape of Zn vapour through it. The lower Pb and Ag content of the residue shows that either the mineral of these metals were completely separated by beneficiation prior to the preparation of the charge pellet or these metals got Co-extracted as described above.