Search Results for: Constant weight scale
, s, mgo, k2o, zn, pb, cu, ba, v, cr, cl, as, ni, co, sn, sr, zr, na * loss on ignition (loi) is determined using industry standard thermo-gravimetric analyser (tga) o pre 2001 : loi was measured using a leco tga 500 analyser. for this, 1 to 2 g aliquot was ignited to 900deg c until a dehydrated constant
weight was achieved. o 2007 - 2010: loi was measured at three steps of temperatures: 110deg - 425deg c, 425deg - 650deg c, and 650deg - 1000deg c. o 2011 - 2014: loi was measured at three steps of temperatures: 140deg - 425deg c, 425deg - 650deg c, 650deg - 1000deg c. * pre 2000, samples were sent to...
http://www.riotinto.com/documents/March_2016_Table_1_Brockman_2.pdf