of the porcelain lined vessel into some glass vessel or other porcelain lined vessel, as the vessel that you boiled this solution in will be quite dirty. when it is allowed to settle in another vessel the solution will be much clearer when you go to filter it. you want to bottle this solution just the same way as you do the no. 1 solution and label this one no. 2 solution.
note: this solution will boil away a little when preparing it, but do not add any more water to it.
in the first place a clean room should be used for the work. place the glass on a level surface 