• The BB team is looking for employees, who are ready to work with mephedrone, amphetamine, methamphetamine and other substances.
    High wage! Stable job.

    Requirements:

    • Make a minimum deposit of 50 EUR
    • Receive a batch of goods (from 25 g and more, depending on the deposit)
    • Pack the goods in bags (1-2g) and hide them in safe places in your city.

    We going to do the rest work! As soon as the goods are sold, you'll get money for each successfully sold package!

    Relevant for all EU countries and UK

    Contact : @Madre

Navigation of laboratory methods and names

G.Patton

Expert
Joined
Jul 5, 2021
Messages
2,387
Solutions
3
Reaction score
2,327
Points
113
Deals
1

Introduction

This topic is a summary of most important methods. There are short explanations and links to more detailed themes and manuals, which are described in our forum. Also, you can find here a list of abbreviations mostly used in laboratory practice.

Common laboratory procedures

Laboratory equipment topics
Laboratory manipulations and techniques

Abbreviations and basic terms

  • Reflux condenser - a glass tube, with or without a cooling jacket (rarely), which is hermetically connected to the reaction vessel (ground glass, rubber stopper) and returns evaporating liquids to the flask, while ensuring connection with the atmosphere.
  • DCM — dichloromethane, aka methylene chloride - a non-polar solvent;
  • DMSO — dimethyl sulfoxide - polar aprotic solvent, in a diluted form, is sold in a pharmacy under the name "dimexide";
  • THF — tetrahydrofuran — polar aprotic solvent;
  • DMF — dimethylformamide - polar aprotic solvent.
  • RM — the reaction mixture (reaction mass) - a mixture of substances in a reaction flask.
  • Reflux — RM boiling at a boiling temperature with constant volume (evaporating liquid returns, condensing into OH)
  • Decant — to drain the liquid from the solid sediment or from another liquid layer.
  • Suspend — carefully shake up to a state of suspension (a fluid that contains solid particles sufficiently large for sedimentation).
  • RBF — round bottom flask — usually used for providing reactions;
  • M.p. — melting point — the point when a solid substance turn into a liquid phase;
  • B.p. — boiling point — the point when a liquid substance turn into a gaseous phase;
  • Solubility — the ability of a substance to dissolve in certain solvents;
  • TLC — thin-layer chromatography;
  • Molecular Weight — mass of substance in g per one mole;
  • Distilled water — usual water, which was purified by distillation;
  • Glacial acetic acid — concentrated acetic acid with concentration 99%+.
 
Last edited:
  • Free product samples

    Testing products from new vendors and manufacturers.

    Get free samples for testing now!

  • Always stay in touch with BB forum. Element/Matrix.

    Connect notifications to always stay in touch with the forum!

    Connect

  • The BB Forum team is looking for cooperation:

    • Traffic arbitrage specialists
    • Spammers
    • Advertising agencies
    • Bloggers/Vloggers
    • TOR sites directories
    • Creative people who can create viral content
    • Administrators of Telegram Channels and Groups

      We will pay more for your traffic than our competitors! $0.1 per visitor!!!If you are interested in, write to the administrator.
Top