User:Patrick Hampson/Notebook/chem471/2017/03/28

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Observations Arg pH4: clear Arg pH7: clear Arg pH 10: very clear with a hint of purple very rarely (due to it sticking to the glass) Arg pH 12: clear Arg pH 14: very clear with a hint of purple very rarely (due to it sticking to the glass) His pH4: very light (slightly yelloe) peach coloration His pH7: more of a reddish tinge in the peach coloration His pH 10: somewhat dark but very very light with black ppt on the bottom of the test tube His pH 12: Very purple His pH 14: more darkened than the pH 10 solution but still somewhat light. Black ppt on the bottom. Gln pH 4:clear Gln pH7:clear Gln pH 10:very clear with a hint of purple very rarely (due to it sticking to the glass) Gln pH 12:clear Gln pH 14:very clear with a hint of purple very rarely (due to it sticking to the glass)