Low-temperature oxygen-fluorine radiofrequency ashing of biological materials in poly(tetrafluoroethylene) dishes prior to the determination of tin, iron, lead and chromium by atomic-absorption spectroscopy
1987 ◽
Vol 42
(5)
◽
pp. 665-668
◽
1977 ◽
Vol 50
(9)
◽
pp. 2310-2316
◽
1979 ◽
Vol 99
(2)
◽
pp. 143-152
◽
1984 ◽
Vol 141
(2)
◽
pp. 301-310
◽
1967 ◽
Vol 38
◽
pp. 489-497
◽
1974 ◽
Vol 57
(2)
◽
pp. 605-613
◽