EugeneOregon
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This is a cryogenic sublimation apparatuse being used to further refine extract towards purities approaching absolute. The measured pressue by Pirani style sensor in the system at this moment of the picture was recorded at ¾ of one micron. Temperture at the boiling puddle is approximately 140C. As a reference standard room pressure are approximately 760,000 microns. Zero microns is a theoretical perfect vacuum.
Effectively there is zero pressure within the unit during this shot. The bubbles formed because the unit was already harvested of a few grams and I do not wipe the finger clean. The little pockets of air in the residual THC left on the finger are pulled into small bubbles. Then the THC condenses on the bubbles and not the cold finger. THC on the cold finger is a frozen solid and but the bubbles form cool looking liquid drops. This is highly purified Delta 9 THC. Once the unit begins refluxing off the cold finger then it is isolated from the vacuum and pulled from the unit. The pure THC is heated gently to thaw it and wipes off with a spatula.
Effectively there is zero pressure within the unit during this shot. The bubbles formed because the unit was already harvested of a few grams and I do not wipe the finger clean. The little pockets of air in the residual THC left on the finger are pulled into small bubbles. Then the THC condenses on the bubbles and not the cold finger. THC on the cold finger is a frozen solid and but the bubbles form cool looking liquid drops. This is highly purified Delta 9 THC. Once the unit begins refluxing off the cold finger then it is isolated from the vacuum and pulled from the unit. The pure THC is heated gently to thaw it and wipes off with a spatula.