Fluoride interference in the molecular emission of boron in water/methanol media

Canals, Antonio; Hernandis, Vicente; Sala, José V.

doi:10.1016/s0003-2670(00)86244-3

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Plasma-source Methods1

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1997

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“…The presence of HF favors the formation of boron trifluoride, which has higher transport efficiency as aerosol particles than boric acid. In fluoride-free methanolic solutions, most of B volatilizes in the spray chamber and reaches the flame mainly as vapor (139,140). The presence of HF in methanolic solutions deceased the ICP emission signals by the replacing B-OCH 3 bond with B-F bonds and the formation of a less volatile B-fluoro complex (139)(140)(141).…”

Section: Plasma-source Methodsmentioning

confidence: 99%