Digestion of Platinum, Palladium, and Rhodium by Using PTFE-TFM Insert Vials for ICP-OES/MS Analysis

A novel digestion setup, using sealed quartz vessels with PTFE-TFM insert in Multiwave 7000 allows for complete digestion of platinum group metals (PGMs) and enables the additional determination of silicon in PGMs which is otherwise not possible.

Digestion of Platinum Group Metals (PGMs) like platinum, palladium, and rhodium, is quite challenging. It requires high temperatures, long reaction times and highly corrosive conditions, like HCl or aqua regia.

Sealed quartz vessels in Multiwave 7000 allow for safe usage of these reagents, but can compromise accurate determination of Si.

A new digestion technique – performing PGM digestion in PTFE-TFM insert vials within the sealed quartz vessels – helps to overcome this limitation.

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