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2. Graduated cylinder - Wikipedia

   en.wikipedia.org/wiki/Graduated_cylinder

   Different types of graduated cylinder: 10mL, 25mL, 50mL and 100mL graduated cylinder. A graduated cylinder, also known as a measuring cylinder or mixing cylinder, is a common piece of laboratory equipment used to measure the volume of a liquid. It has a narrow cylindrical shape. Each marked line on the graduated cylinder represents the amount ...

3. Laboratory flask - Wikipedia

   en.wikipedia.org/wiki/Laboratory_flask

   Cassia flasks, for the analysis of essential oils and aldehyde determination, approx. 100 ml, neck graduated 0–6: 0.1 ml. Erlenmeyer flasks (introduced in 1861 by German chemist Emil Erlenmeyer (1825–1909)) are shaped like a cone, usually completed by the ground joint; the conical flasks are very popular because of their low price (they are ...

4. Laboratory glassware - Wikipedia

   en.wikipedia.org/wiki/Laboratory_glassware

   Three beakers, an Erlenmeyer flask, a graduated cylinder and a volumetric flask. Laboratory glassware is a variety of equipment used in scientific work, traditionally made of glass. Glass may be blown, bent, cut, molded, or formed into many sizes and shapes. It is commonly used in chemistry, biology, and analytical laboratories.

5. Volumetric flask - Wikipedia

   en.wikipedia.org/wiki/Volumetric_flask

   A 100 ml volumetric flask with stopper Volumetric flasks of various sizes. A volumetric flask ( measuring flask or graduated flask ) is a piece of laboratory apparatus , a type of laboratory flask , calibrated to contain a precise volume at a certain temperature.

6. Pyrex - Wikipedia

   en.wikipedia.org/wiki/Pyrex

   A PYREX measuring cup manufactured c. 1980, featuring graduations in both U.S. and metric units. Pyrex (trademarked as PYREX and pyrex) is a brand introduced by Corning Inc. in 1915, initially for a line of clear, low-thermal-expansion borosilicate glass used for laboratory glassware and kitchenware.

7. Bought Pyrex glass measuring cups? You may be getting a ...

   www.aol.com/bought-pyrex-glass-measuring-cups...

   Online shoppers who bought certain Pyrex measuring cups in recent years may be eligible for a refund. The Federal Trade Commission announced it is issuing a total of $88,000 in refunds to ...