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  1. MuricanSpirit

    Home Laboratory: DIY Hot Plate Stirrer

    I fail to see why I should pay about 1000$ for a hotplate/magnetic stirrer if the tech is so simple. Is it possible to just throw a hotplate over a stirring plate (if the stirring plate is strong enough to keep rotating eg. 5cm distance). Im not sure if the magnetic field interfers in any way...
  2. Marvin "Popcorn" Sutton

    4-MMC (mephedrone) synthesis. Bromination in dichlormethane.

    We'll consider mephedrone (4MMC) synthesis in this article. Dichloromethane (DCM) is used as a solvent. It has a low boiling point (~40 °C) and synthesis procedures take a little time. Work conditions: Air temperature 20-24 ºC; Relative humidity <60%; Well-ventilated room (with air...
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