Microwave-induced combustion of high purity nuclear flexible graphite for the determination of potentially embrittling elements using atomic spectrometric techniques

Enders, Michele S.P.; Souza, J. P.; Balestrin, Paula; Mello, Paola A.; Duarte, Fábio A.; Müller, Edson I.

doi:10.1016/j.microc.2015.09.015

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Cited by 11 publications

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Microwave‐Assisted Sample Preparation for Spectrochemical Analysis

Nóbrega,

Donati

2024

Encyclopedia of Analytical Chemistry

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Microwave‐assisted sample preparation has represented a major developmental step in combining the overall quality and speed of spectrochemical analysis with the initial analytical step of converting solid samples into representative solutions. Instrumentation and applications involving samples with organic and inorganic matrices are discussed in detail after briefly addressing the fundamentals of the method. The feasibility of using diluted acid solutions and pressurized oxygen vessels for sample digestion is rationalized and clearly related to advances in reaction vessel materials and the interaction between matter and microwave radiation. Applications based on microwave‐induced combustion (MIC) and procedures developed for chemical speciation are also highlighted. A list of ideal attributes for microwave‐assisted sample preparation is proposed and evaluated considering the state of the art. Major needs, mainly related to the capacity of digesting large sample masses and improvements in sample throughput, are also highlighted.

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