Archive for June 28th, 2009

Indian Ball Clay

Sunday, June 28th, 2009

The other ball clay resources available are from Payyangadi and Rampuram under Cannanore district in Kerala. These clays are of dark colour firing characteristics due to the presence of higher content of iron and titanium impurities. The alumina content is very high, ranges up to 32% and this makes this clay more suitable for making […]

Titanate Powder Preparation

Sunday, June 28th, 2009

Lead Titanate Powder Preparation
Hydro thermal Method: In this method oxides or hydrous oxides obtained from nitrates, acetates, chlorides, per chlorates or alkoxides may be used as sources of led and titanium. The hydro thermal reaction happening in the temperature range of about 200 to 300.C is very important in this method.
The reaction is […]