_:b1218536 . . _:b1218537 . _:b1218534 . _:b1218535 . . _:b1218534 . _:b1218535 . _:b1218538 . _:b1218536 _:b1218535 . _:b1218534 _:b1218537 . _:b1218538 . "An alkaline environment is an environment in which entities are exposed to high pH, typically greater than a pH of 9." . _:b1218537 _:b1218536 . _:b1218538 . _:b1218535 . "alkaline environment" . _:b1218538 .