MadSci Network: Chemistry |
Hey, at first thanks for investing your time! I take a supersaturated sucrose solution, heat it up (water evaporates) and let it cool down, which results in a solid, amorph mass. When I use distilled water it is completely clear, but when I use water from the tap (or distilled water with table salt in it) it gets all milky. When adding cream or tartar (potassium bitartrate) it's not milky at all, despite the potassium ion. Maybe when the mass is cooling down, all the water is trapped between some sugar molekules and the big Cl- is not solved in it anymore. Or the Cl- acts as crystallization seed. Or we have small areas with Cl- in it and some without, which results in light scattering through to different optical density. So which is it? Thanks already! Julian
Re: Why is sugar glass with ions (salt) in it milky?
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