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

The Analyst ◽  
1982 ◽  
Vol 107 (1278) ◽  
pp. 1006 ◽  
Author(s):  
E. V. Williams
1971 ◽  
Vol 4 (9) ◽  
pp. 555-562 ◽  
Author(s):  
Tetsuo Uchida ◽  
Chuzo Iida ◽  
Norimasa Yasuhara ◽  
Masashi Nakagawa

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