SO2 emissions to the atmosphere from active volcanoes in Guatemala and El Salvador, 1999–2002
Lizzette A. RodríguezI. M. WatsonWilliam I. RoseY. K. BrananG. J. BluthGustavo ChignaO. MatíasDemetrio EscobarSimon CarnTobias P. Fischer
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Hebei-based Tangshan Sanyou Group raised its prices for light soda ash by nearly 7%, from Rmb 1,350/tonne ($205/tonne) to Rmb 1,440/tonne ($219/tonne) during the month. Its dense soda ash prices have increased by almost 13%, meanwhile, from Rmb 1,445/tonne ($220/tonne) to Rmb 1,630/tonne ($248/tonne)
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IM 's prices for antimony trioxide (typically 99.5% min Sb[subscript]2 O[subscript]3, 5-tonne lots) have been revised to $7,900-8,000/tonne, down from $8,000-8,100/tonne on a CIF Antwerp/Rotterdam basis and to $7,700-7,800/tonne (20-tonne lots) on an FOB China basis.
IM 's prices for premium grade zircon (min 66.5% ZrO[subscript]2, bulk, CIF China) have been revised to $1,050-1,150/tonne, while prices for standard grade are now set at $1,000-1,150/tonne
IM 's prices for Chinese DBM (lump, FOB China) stand at $255-270/tonne for 90% MgO material; $320-400/tonne for 92% MgO; $350-400/tonne for 94-95% MgO; and $450-485/tonne for 97.5% MgO.
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