Polyurethane foams as sorbents for noble metals. Selective pre-concentration of small amounts of platinum from hydrochloric acid containing tin(II) chloride followed by flame atomic absorption analysis
1979 ◽
Vol 110
(2)
◽
pp. 279-284
◽
1978 ◽
Vol 33
(8)
◽
pp. 489-494
◽
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