When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Free base - Wikipedia

    en.wikipedia.org/wiki/Free_base

    Alternatively, the free base can be obtained using an organic chemistry technique called trituration. Trituration of the free base from cocaine hydrochloride (or "cooking") is done by dissolving the cocaine hydrochloride in water over constant heat, while simultaneously adding a base (such as baking soda ) to form the free base cocaine.

  3. Relaciones peligrosas - Wikipedia

    en.wikipedia.org/wiki/Relaciones_peligrosas

    Relaciones peligrosas (English: Dangerous Affairs), originally known as Física o Química (Physics or Chemistry), is an American Spanish-language telenovela produced by Telemundo Studios, Miami. It is an adaptation of the Spanish television series Física o Química . [ 1 ]

  4. Crack cocaine - Wikipedia

    en.wikipedia.org/wiki/Crack_cocaine

    A woman smoking crack cocaine in San Francisco, California, in December 2005. Crack cocaine is commonly used as a recreational drug. Effects of crack cocaine include euphoria, [11] supreme confidence, [12] loss of appetite, [11] insomnia, [11] alertness, [11] increased energy, [11] a craving for more cocaine, [12] and potential paranoia (ending ...

  5. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Toxic: a chemical that has a median lethal concentration (LC 50) in air of more than 200 parts per million (ppm) but not more than 2,000 parts per million by volume of gas or vapor, or more than 2 milligrams per liter but not more than 20 milligrams per liter of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats ...

  6. Clandestine chemistry - Wikipedia

    en.wikipedia.org/wiki/Clandestine_chemistry

    Clandestine chemistry is chemistry carried out in secret, and particularly in illegal drug laboratories. Larger labs are usually run by gangs or organized crime intending to produce for distribution on the black market. Smaller labs can be run by individual chemists working clandestinely in order to synthesize smaller amounts of controlled ...

  7. EPA list of extremely hazardous substances - Wikipedia

    en.wikipedia.org/wiki/EPA_list_of_extremely...

    40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities (PDF) (July 1, 2008 ed.), Government Printing Office, archived from the original (PDF) on 2012-02-25

  8. Highly hazardous chemical - Wikipedia

    en.wikipedia.org/wiki/Highly_hazardous_chemical

    This list is incomplete; you can help by adding missing items. ( December 2010 ) A highly hazardous chemical , also called a harsh chemical, is a substance classified by the American Occupational Safety and Health Administration as material that is both toxic and reactive and whose potential for human injury is high if released.

  9. LSD - Wikipedia

    en.wikipedia.org/wiki/LSD

    LSD was found to be the 18th most dangerous out of 20 considered. [55] Addiction experts in psychiatry, chemistry, pharmacology, forensic science, epidemiology, and the police and legal services engaged in delphic analysis regarding 20 popular recreational drugs. LSD was ranked 14th in dependence, 15th in physical harm, and 13th in social harm.