Minerals and Metals in Ancient India v1.c26.s6.t4.1

v1.c26.s6.t4.1

We have referred earlier to the research project at the Indian Institute of Technology (IIT), Kanpur, sponsored by the Hindustan Zinc Limited. (Biswas, 1981-84) The characterisation of Pb-Zn bearing retort residues and slags found at Zawar was carried out using Philips EM 301 transmission electron microscope, Philips PSEM 500 scanning electron microscope fitted with an EDAX or X-ray microanalyser, GEC XRD-6 X-ray diffractometer and a MOM 3427 derivatograph for differential thermal analysis (DTA) and thermogravimetry (TGA).