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Abstract

Dear sir: The pa per "Spec trop ho to me tric De ter mi na ti on of Io date in Tal be Salt", wro te by Rosa Lina G.N.P. Sil va, A. Fernan do de Oli ve i ra, and Edu ar do Alme i da Ne ves that ap pe a red in J. Braz. Chem. Soc . 1998 , 9(2), 171 has cal led my at ten ti on be ca u se of the mo lar ab sor ti vi ti es found by the se aut hors for the ion I 3 -at the wa ve lengths 288 and 352 nm. As can be seen from the ta bles pre sen ted be low, the se va lu es are much hig her than tho se ob ta i ned by ot her authors.As the io da te con tent in the ta ble salt is me a su red by the UV-Vis spec tros copy at the se wa ve lengths it would be con ve ni ent for the se aut hors to jus tify why the ir mo lar absor ti vity va lu es are so dif fe rent.Res pect fully, Ro ber to de Bar ros Fa ria De par ta men to de Qu í mi ca Inor gâ ni ca Uni ver si da de Fe de ral do Rio de Ja ne i ro.References:

The Early Roman Cities of Lusitania

“…275 Both the floor and the walls of this structure were decorated with large marble slabs, but very little of the stone was preserved in place. 276 Although the building was only partially excavated-the western side is unexcavated-enough has come to light to provide the dimensions and general plan of the building (figs. 24 and 25).…”

“…280 Nearly all the small finds from the context of the apsidal structure suggest a first century date for the archaeological complex. 281 A last bit of statuary from Imperatoria Salacia is the bust of a male found in the wall of the Igreja de São Vicente in 1896. A. Garcia y Bellido believes that the portrait represents Claudius, though it is very severely damaged.…”