File talk:Polyethersulfone.jpg
on top of the reaction arrow it should say "-NaX", not "-NaCl) Northfox (talk) 11:20, 28 March 2010 (UTC)
to be exact: "- 2 NaX" Northfox (talk) 11:24, 28 March 2010 (UTC)
on top of the reaction arrow it should say "-NaX", not "-NaCl) Northfox (talk) 11:20, 28 March 2010 (UTC)[reply]
to be exact: "- 2 NaX" Northfox (talk) 11:24, 28 March 2010 (UTC)[reply]
