To make a highlighter ink from turmeric extract, mix turmeric powder with a small amount of water to create a thick paste. Then, add a few drops of vegetable glycerin or corn syrup to enhance the ink's consistency and brightness. Strain the mixture through a fine mesh to remove any solid particles, and store the liquid in a small container. This natural ink will produce a vibrant yellow color, perfect for highlighting text.
How about using a turmeric as a highlighter ink, huh? My sister did that as her Investigatory Project and it worked. Ha, see?
Highlighter ink will not harm you as long as you don't have it inside your skin.
gumamela flower extract, as far as I've observed. it is sometimes used as an ink. highlighter inks,, or maybe dyes or paints
open it
ink of course
Tonic water does not glow when mixed with green highlighter ink because the quinine in tonic water, responsible for fluorescence under UV light, is not reactive to the wavelength of light emitted by the green highlighter ink. The fluorescent properties of quinine are specific to certain wavelengths of UV light, which the green highlighter ink does not produce.
The main components of a highlighter are a barrel, an ink reservoir, a nib, and ink. The barrel is typically made of plastic or metal and holds the ink reservoir, which feeds ink to the nib. The nib is the felt or foam tip that delivers the ink onto the paper.
To drain a highlighter, you can leave it uncapped and upside down overnight to allow the ink to flow towards the tip. You can also gently tap the highlighter on a hard surface to help the ink flow more quickly. Be careful not to apply too much pressure to avoid damaging the highlighter.
If you can see through a highlighter, it may be running out of ink. Try pressing down on the tip or shaking it to see if more ink flows. If this doesn't work, it may be time for a replacement.
One easy way is to use erasable highlighter. Draw your design with the highlighter, then erase it. It will still fluoresce under UV light. Or if you don't have erasable highlighter, you can use alcohol to "remove" normal highlighter. Obviously the alcohol method doesn't work well with paper, but is great for skin and other surfaces.
One easy way is to use erasable highlighter. Draw your design with the highlighter, then erase it. It will still fluoresce under UV light. Or if you don't have erasable highlighter, you can use alcohol to "remove" normal highlighter. Obviously the alcohol method doesn't work well with paper, but is great for skin and other surfaces.
This is a cool experiment for my fourth grader but she also needs to understand why the liquid glows.