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  2. Reagent bottle - Wikipedia

    en.wikipedia.org/wiki/Reagent_bottle

    Reagent bottle caps are commonly said to be "autoclavable". Antique or vintage reagent bottles tend to resemble the classic apothecary bottle and have a glass stopper, very often not of standard size, so that very old bottles and samples should be stored with care, as replacing a missing glass stopper would require dedicated glassworking.

  3. Laboratory glassware - Wikipedia

    en.wikipedia.org/wiki/Laboratory_glassware

    Reagent bottles are containers with narrow openings generally used to store reagents or samples. Small bottles are called vials. Jars are cylindrical containers with wide openings that may be sealed. Bell jars are used to contain vacuums.

  4. Laboratory flask - Wikipedia

    en.wikipedia.org/wiki/Laboratory_flask

    Reagent flasks are usually flat-bottomed flasks, which can thus be conveniently placed on the table or in a cabinet. These flasks cannot withstand too much pressure or temperature differences, due to the stresses which arise in a flat bottom; these flasks are usually made of weaker glass than reaction flasks.

  5. Acetic anhydride - Wikipedia

    en.wikipedia.org/wiki/Acetic_anhydride

    Acetic anhydride in a glass bottle. Acetic anhydride, like most acid anhydrides, is a flexible molecule with a nonplanar structure. [4] The pi system linkage through the central oxygen offers very weak resonance stabilization compared to the dipole-dipole repulsion between the two carbonyl oxygens. The energy barriers to bond rotation between ...

  6. Why food safety experts stand behind the 'when in doubt ... - AOL

    www.aol.com/why-food-safety-experts-stand...

    With the inflated price of groceries today, people might be wondering how much they can kick the can when it comes to the expiration dates of an array of items. Some might recall the saying, "When ...

  7. “Gossip Girl” and “Blue Bloods” actress found safe after ...

    www.aol.com/lifestyle/gossip-girl-blue-bloods...

    Related: Search party finds missing hiker and Jay Leno along the way The actress, who also appeared in a 2010 episode of Blue Bloods, reportedly talked to TrueCrimeNews via FaceTime and told the ...

  8. Pregnant Indiana Woman, 25, Has Been Missing for More Than a ...

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    More than a month after Emma Baum went missing, her family is still looking for answers. The 25-year-old woman was last seen on Oct. 10 in Gary, Indiana, on 25th Avenue and Connecticut Street, ABC ...

  9. Duran (glass) - Wikipedia

    en.wikipedia.org/wiki/Duran_(glass)

    250ml DURAN® laboratory bottle. DURAN is a brand name for the internationally defined borosilicate glass 3.3 (DIN ISO 3585) produced by the German company DURAN Group GmbH since 2005 under license from the Schott AG, which was the first to develop it, and which sold it from 1893 until the equity carve-out of the DURAN Group in 2005.

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