Colour of the Smoke

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ignaciojn

Starting to Get Obsessed
Aug 19, 2016
204
1
Here's a little thing that has me wondering.
Sometimes, the smoke coming out is a perfect grey. Other times, it has a definite blue tint. Or yellow. Or brownish.
Anybody knows the physics behind this?

 

mso489

Lifer
Feb 21, 2013
41,210
60,459
I haven't noticed a lot of difference in the color of pipe smoke, but I would attribute it in a large degree to lighting. The particles in smoke are always light-catchers, so any ambient light will get reflected. Since light from windows, various electric light sources, firelight, candles, etc., all give decidedly different shades of light, the smoke reflects these. I would guess different tobacco leaf and blends give off different colors, but I think those would be subtle differences.

 

kickinbears

Starting to Get Obsessed
Jun 21, 2018
200
1
Are you getting different smoke profiles with different blends? Different pipes? Any other variables changing?

 

ignaciojn

Starting to Get Obsessed
Aug 19, 2016
204
1
Are you getting different smoke profiles with different blends? Different pipes? Any other variables changing?
I'll be honest, I haven't been paying attention. I usually smoke in the same room, with the same light.

But pipes and blends do get rotated a lot.

 
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