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A page to hold technical data and discuss technical aspects of cannabinoid seperations with an emphasis on observed and ... A page to hold technical data and discuss technical aspects of cannabinoid seperations with an emphasis on observed and observable results. More
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  • I present here a temperature and pressure graph of Delta 9 THC. I believe this to be the first one posted on the internet. Understanding this chart is an essential first step in understanding how to go about refining this medication.

    Boiling point chart computed for Delta 9 THC. This chart was generated from two known boiling/pressure points...
    I present here a temperature and pressure graph of Delta 9 THC. I believe this to be the first one posted on the internet. Understanding this chart is an essential first step in understanding how to go about refining this medication.

    Boiling point chart computed for Delta 9 THC. This chart was generated from two known boiling/pressure points and the other values in this chart are from computations done from two known points. As such these are crude estimates and may be off a bit.

    I use "microns" as a convenient unit of measure.
    One micron equals .001 Torr. "Torr" is the same as mmHg.

    The chart begins at the first known reference point as observed in the authors lab, 120C at one micron. The chart progesses through the second known point obtained from Pubchem, 200C at twenty microns. This is the first chart I know of that tackles boiling and pressure points for this compound.

    Enthapy of evaporation is computed at 57.9 kJ/mol. Boiling points follow.

    First number is micron reading of vacuum. Second number is boiling temperature in Celsius at that pressure:

    1-120
    10-179
    20-200
    30-213
    40-223
    50-231
    60-238
    70-244
    80-249
    90-254
    100-258
    110-262
    120-266
    130-269
    140-272
    150-275
    160-278
    170-281
    180-283
    190-285
    200-288
    300-307
    400-321
    500-332
    1000-371
    2000-415
    760,000 (typical room pressure)-1396

    As a reference Wikipedia reports the temperature of a butane flame to reach as high as 1430C.
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