Fractionation of lead in lignite coal samples of Thar coalfield, Pakistan by time‐saving single‐step based on
BCR
sequential extraction scheme
2004 ◽
Vol 502
(2)
◽
pp. 195-206
◽
2007 ◽
Vol 93
(2)
◽
pp. 78-90
◽
2006 ◽
Vol 556
(2)
◽
pp. 444-449
◽
2001 ◽
Vol 16
(12)
◽
pp. 1424-1428
◽
1996 ◽
Vol 11
(9)
◽
pp. 787
◽
1999 ◽
Vol 236
(1-3)
◽
pp. 7-18
◽
2008 ◽
Vol 2
(1)
◽
pp. 40-46
◽