What is the chemistry behind natural indicators such as turmeric, red rose, onions, tea and cherries?
I have that up the date a report on the chemistry of natural indicators of the above substances and reactions, the support base and acid media.pl.
Natural indicators to changes in pH response. That's how they work. Therefore, if you add an acid or a base, a color change indicator. If you need more phenolphthalein Specific details about the chemistry behind the color change of the Google I, as would be the following: "Wiki" fire-Wiki "Wiki methylene blue get an idea of what to do acids and bases, indicators caused by them. The same principle applies to natural indicators.
I've heard of using rosewater in tattooing. Is it dangerous if the water rose is a natural product?
Hello ^ ^ Rosewater solution-based imported from the UK, which really makes the ink through the skin of bubbles. Like the one used for temporary tattoos .. Hana or tattoos .. It seems be dangerous .. Also used to remove tattoos .. Used with a tattoo gun, as it is a second tattoo, but moving in opposite directions. Rosewater withdrawal is the only procedure Some have found that does not seem to leave a scar.
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