Sodium Hydroxide (NaOH) has the ability to absorb water and CO 2 from the atmosphere. Because of this property it is impossible to prepare a standard solution form a known weight of NaOH dissolved in ...

Add reagents, first MnCl 2 then NaI/NaOH. Add stopper and shake flasks thoroughly ... Dickson, A. "Determination of dissolved oxygen in sea water by Winkler titration," WHP Operations and Methods ...