Any reason not to use ritual magic instead? I use it for all alchemist spells rather than the lists since I think it fits the image better than the list based version. The lists do give a good base for the spell levels etc. For example, to make a magic sword I would still use the make xx, work xx, and weapon x spells, just combine them into a single ritual to cast each day instead of the list based spells. I do require the full pp amount though instead of half the lower spell levels.