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Some new di- and triorganotin(IV) derivatives of the formulae, R2SnL, where R =Me, Ph, and n-Oct, and L is the dianion of histidinylleucine (H2L abbreviated as H2(His-Leu)) and R′3 SnHL, where R′ = Me and Ph, HL = monoanion of histidinylleucine, have been synthesized. The bonding and coordination behaviour in these derivatives are discussed on the basis of FT-IR and 119Sn Mössbauer spectroscopic studies...
The speciation of several tributyltin and triphenyltin compounds under varying salinity conditions (0, 20, 40 and 60%) was studied by Mössbauer spectroscopy in both anaerobic and aerobic Anacostia River sediments. The Mössbauer spectral parameters of the spiked sediments indicated that changes in the salinity did not affect the speciation of the tin compounds in either aerobic or anaerobic sediments.
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