LAB EQUIPMENT Flashcards
- a simple container for strring mixing and heating liquids
- generally cylindrical in shape with a flat bottom and a lip fro pouring
- available in a wide range of sizes, from one mL up to several litres
beaker
a flat, conical body, and a cylindrical neck
erlenmeyer flask
allows contents to be swirled or stirred during an experiment
erlenmeyer flask
has a narrow neck that keeps the contents from spiling out
erlenmeyer flask
it reduces evaporative losses compared to a beaker
erlenmeyer flask
has a flat bottomed bulb with a long neck usually fitted with a stopper
volumetric flask
the neck has a single ring graduatio mark and a label and is used for making solutions to a known volume
volumetric flask
used to accurately measure the volume of an object
graduated cylinder
is more accurate and precise for this purpose than flasks and beakers
graduated cylinder
a common piece of glassware consisting of a finger-like length of glass or clear placttis tubing, open at the top, usullay with a rounded U-shaped bottom
is available in a multitude of lengths and widths, typically from 10 - 20 mm wide and 50 to 200 mm long
test tube
tongs used to carry a baker after it has been subjected to heat ad or cold temperatures
beaker tongs
tongs used to carry a crucible after is has been subjected to heat.cold temperatures
crucible tongs
a gripping device used to carry a test tube after it has been subjectd to heat/cold temperatures
test tube holder
a device used to clean the inside of atest tube (or other long-necked glassware)
test tube brush
a utensil to transfer solids (usually in powdered from)
scoopula
device used to measure the temperature of a substance
thermometer
- a handheld, hinged intrument used for grasping and holding objects
- used when fingers are too large to grasp small objects or when many objects need to be held at one time while hands are used to perform a task
forceps