_:b57860900 _:b57860901 . _:b57860898 . _:b57860898 "1"^^ . _:b57860898 "0.88"^^ . _:b57860901 "concentration" . _:b57860899 "C0004268" . _:b57860899 "T041" . _:b57860898 _:b57860900 . _:b57860898 _:b57860899 . _:b57860901 "concentrations" . _:b57860898 . _:b57860898 . _:b57860900 . _:b57860901 .