Chemistry Question

[Wickedwench]

This may sound like a silly question, but I am curious.

I have a Resurrector prepunched cartomizer on my Kgo battery, being fed by a 5 ml tank. As the liquid gets low in the tank, I top it off with fresh liquid. The liquid in the tank gets darker as the pg/vg and flavoring chemicals cook down. My liquid starts off clear as water, but by the time I take things apart to clean, the liquid in the cartomizer is coffee brown.

I'm assuming all of this is normal. My question is whether the nicotine percentage in the liquid varies or stays the same as it darkens from water color to amber color to coffee color? I know that liquid can darken in a storage bottle on a shelf without affecting the nicotine level, but does that stay true as the liquid is repeatedly heated as it is vaped?

Thank you all for your time.

 

[nnote]

When you heat juice on a coil, dark gunk builds up which in turn can turn your juice darker.

 

[Wickedwench]

I understand the juice darkening; does that darkening affect the nicotine level?

 

[fray]

It's the nic oxidizing. It has little effect on the nicotine level especially if you are adding new juice.

 

[SpringzVz]

I would differ on this question in my response to the others. Since the darker juice left can also be mostly VG in pg vg mixes this seperation and oxidation can indeed vary nic levels. If the nic base was vg You would be getting less nic and if the Nic base was PG you would be getting more... How much is way beyond my expertise, but not enough to notice as my juices do this and I use a PG base in my nic.

 

[TBinAZ]

The condensation buildup and coil discoloration of the liquid inside the carto will change the color of the liquid, and thin out the nicotine content. You won't see much indication in the visible part of the tank because it all takes place inside of the cartomizer.