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Уважаемые коллеги! Помогите, пожалуйста, найти статьи:
1. Microwave digestion with HNO3/H2O2 mixture at high temperatures for determination of trace elements in coal by ICP-OES and ICP-MS
Jie Wang, Tetsuya Nakazato, Kinya Sakanishi, Osamu Yamada, Hiroaki Tao and Ikuo Saito
Analytica Chimica Acta. Volume 514, Issue 1, 30 June 2004, Pages 115-124

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http://dx.doi.org/10.1016/j.aca.2004.03.040

2. Microwave-assisted double insert vapour-phase digestion of organic samples. Keijo Eilola and Paavo Perämäki
Analytica Chimica Acta. Volume 634, Issue 2, 23 February 2009, Pages 205-208

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http://dx.doi.org/10.1016/j.aca.2008.12.033

3. Effect of HF addition on the microwave-assisted acid-digestion for the determination of metals in coal by inductively coupled plasma-atomic emission spectrometry. Yan-Hua Xu, Akira Iwashita, Tsunenori Nakajima, Hiroyuki Yamashita, Hirokazu Takanashi and Akira Ohki
Talanta. Volume 66, Issue 1, 31 March 2005, Pages 58-64

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http://dx.doi.org/10.1016/j.talanta.2004.09.018

4. Determination of trace elements in coal and coal fly ash by joint-use of ICP-AES and atomic absorption spectrometry
Akira Iwashita, Tsunenori Nakajima, Hirokazu Takanashi, Akira Ohki, Yoshio Fujita and Toru Yamashita
Talanta. Volume 71, Issue 1, 15 January 2007, Pages 251-257

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http://dx.doi.org/10.1016/j.talanta.2006.03.053

5. The direct determination of the forms of sulphur in coal using microwave digestion and i.c.p-a.e.s analysis. K. L. Laban, and B. P. Atkin
Fuel. Volume 79, Issue 2, January 2000, Pages 173-180

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http://dx.doi.org/10.1016/S0016-2361(99)00146-5

6. Determination of rare-earth elements in coal using microwave digestion and gradient ion chromatography
Ronald T. Watkins, Moira K. Ridley, M. A. Bruno Pougnet and James P. Willis
Chemical Geology. Volume 121, Issues 1-4, 5 April 1995, Pages 273-283

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http://dx.doi.org/10.1016/0009-2541(94)00119-S

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кроме 6...

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VOVAN CIR, спасибо огромное!