whats ink made of?. compounds and mixtures? what is ink made of?? how would you find out?
TRANSCRIPT
What’s Ink Made of?
Compounds and Mixtures?
• What is Ink made of??
• How would you find out?
Chromatography
• Get a beaker, paper strip, pen/marker
• About 2cm from one end of the paper, draw a line perpendicular to the paper
• Put about 1cm of water in the beaker
• Suspend the paper in the beaker so the bottom of the paper is in the water, BUT NOT the ink stripe
• Watch
• What is happening? Describe.
• When it looks finished – take it out. Describe.
• Try another color
• What if it didn’t do anything….
• Aha, permanent ink pen… we can try another solvent.
• Try it.
DisclaimerAloha
I put together these power points for use in my science classes.You may use them in your classes.
Some images are public domain, some are used under the fair-use provisions of the copyright law, some are mine. Copyright is retained by the owners!
Ted Brattstrom