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Patch 3.2, 'Call of the Crusade', was released August 5, 2009. [22] Since release of Argent Tournament in patch 3.1.0, players have been fighting champions of each faction. Patch 3.2.0 added the Crusader's Coliseum raid, a PvP season 7, a new Battleground, Isle of Conquest and some Argent Tournament quests.
In acid–base extraction, the efficiency of extraction of a compound into an organic phase, such as an ether, can be optimised by adjusting the pH of the aqueous phase using an appropriate buffer. At the optimum pH, the concentration of the electrically neutral species is maximised; such a species is more soluble in organic solvents having a ...