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  2. 2,5-Dichlorophenol - Wikipedia

    en.wikipedia.org/wiki/2,5-dichlorophenol

    Safety data sheet (SDS) ... 2,5-Dichlorophenol (2,5-DCP) is a chlorinated derivative of phenol with the molecular formula Cl 2 C 6 H 3 OH.

  3. Duquenois–Levine reagent - Wikipedia

    en.wikipedia.org/wiki/Duquenois–Levine_reagent

    The Duquenois reagent is used in the Rapid Modified Duquenois–Levine test (also known as the simple Rapid Duquenois Test), which is an established screening test for the presence of cannabis. The test was initially developed in the 1930s by the French medical biochemist Pierre Duquénois (1904–1986) and was adopted in the 1950s by the ...

  4. Polychlorinated biphenyl - Wikipedia

    en.wikipedia.org/wiki/Polychlorinated_biphenyl

    In an electric arc, PCBs generate incombustible gases. Use of PCBs is commonly divided into closed and open applications. [ 2 ] Examples of closed applications include coolants and insulating fluids ( transformer oil ) for transformers and capacitors , such as those used in old fluorescent light ballasts, [ 29 ] and hydraulic fluids considered ...

  5. List of gases - Wikipedia

    en.wikipedia.org/wiki/List_of_gases

    This is a list of gases at standard conditions, ... CF 3 CF 2 CF=CF 2: 5 200 357-26-6 Pentafluorosulfanyl cyanate [90] [93] F 5 SOCN 5-5.5 −60 169

  6. Safety data sheet - Wikipedia

    en.wikipedia.org/wiki/Safety_data_sheet

    An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.

  7. High-yield savings rates for December 23, 2024 - AOL

    www.aol.com/finance/savings-interest-rates-today...

    Savings interest rates today: 'Tis the season for saving at 10x the national average (up to 5.05% APY) — Dec. 23, 2024

  8. Trizol - Wikipedia

    en.wikipedia.org/wiki/Trizol

    The correct name of the method is guanidinium thiocyanate-phenol-chloroform extraction. The use of TRIzol can result in DNA yields comparable to other extraction methods, and it leads to >50% bigger RNA yield. [5] [6] An alternative method for RNA extraction is phenol extraction and TCA/acetone precipitation. Chloroform should be exchanged with ...

  9. Fire extinguisher - Wikipedia

    en.wikipedia.org/wiki/Fire_extinguisher

    EN3 does not recognise a separate electrical class – however there is an additional feature requiring special testing (35 kV dielectric test per EN 3-7:2004). A powder or CO 2 extinguisher will bear an electrical pictogramme as standard signifying that it can be used on live electrical fires (given the symbol E in the table).