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Types of nicotine base liquid

Discussion in 'QC Research and Testing' started by rolygate, Nov 22, 2011.

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  1. hoogie76

    hoogie76 Unregistered Supplier ECF Veteran

    Aug 1, 2009
    Charlotte, NC
    Definitely an interesting topic on color change. We did a bit of an experiment with some 10ml bottles to see what environment caused the most tanning of a liquid and in our simple test, light was the biggest factor.

    VG content also seems to affect the 'pinkness' of a liquid as when we mix pure nic (clear to slightly tan) with VG (clear), we usually end up with a pinkish base. We don't get this with an all PG mix.

    Check out towards the bottom of the newsletter for some pictures of our tanning test:

  2. Kurt

    Kurt Quantum Vapyre ECF Veteran

    Sep 16, 2009
    @tona: Yes you are right. Oxided nic is no longer active nic, its gone. But it takes so little nic-oxide to color a liquid that the measured nic content will be almost the same as before oxidation. Of course, enough time will oxidize all the nic.

    The pink is not an added indicator. At least I hope not! Don't want to be vaping indicator compounds. The color that compounds have, such as nic-oxides, are very sensitive to their chemical environment. As I said, I think the pink is oxides loosely combining with VG, or some flavor compounds, like vanilla. Sometimes my vanilla juices will pinken, and sometimes not. I haven't found the pattern. All my flavored juices are VG, so I have not observed the effect of PG. So far I've not had an unflavored nic liquid turn pink, but they do yellow after a bit.

    @hoogie76: Thanks for the info!
  3. Barto

    Barto Moved On ECF Veteran

    Aug 4, 2011
    Pretty cool study you've done there guys.
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