M1: COMMON LABORATORY APPARATUS Flashcards
“SPECIALIZED CLOTHING or equipment WORN FOR PROTECTION against hazardous and infectious materials”
PPE - PERSONAL PROTECTIVE EQUIPMENT
protect hands
GLOVES
protect skin and/or clothing
GOWNS/APRONS
protect mouth/nose
MASKS AND RESPIRATORS
protect eyes
GOGGLES
protect face, mouth, nose, and eyes
FACE SHIELDS
Sequence for Donning PPE
- Gown first
- Mask or respirator
- Goggles or face shield
- Gloves
Sequence for Removing PPE
- Gloves
- Face shield or goggles
- Gown
- Mask or respirator
HOW TO REMOVE GLOVES
GRASP OUTSIDE
PEEL AWAY
HOLD IN OPPOSITE
SLIDE UNGLOVED
PEEL OFF
DISCARD
- Used for mixing, stirring, and heating
chemicals - Have SPOUTS on their rims to aid in pouring
BEAKERS
- has a NARROW NECK and expands toward its base.
- Allows EASY MIXING AND SWIRLING of the flask without TOO MUCH RISK OF SPILLING
ERLENMEYER FLASK
other term for erlenmeyer flask
CONICAL FLASK
Never heat the flask while it is capped. This could cause a pressure build-up that could result in _______.
EXPLOSION
- Has ROUND BOTTOM and LONG NECK
- Used to hold liquids and can be EASILY SWIRLED AND HEATED
FLORENCE FLASK
FLORENCE FLASK is also known as
BOILING FLASK
- a GLASS TUBE with ONE END OPEN and the other end closed
- used to HOLD SMALL SAMPLES for
qualitative assessment and comparison
TEST TUBES
- SMALL CLAY CUP made of a material that CAN WITHSTAND EXTREME TEMPERATURES
- Used for HEATIG SUBSTANCES and
come with lids.
CRUCIBLE
- Used to HOLD CRUCIBLES after
heating procedure
CRUCIBLE TONG
- Used to HOLD TEST TUBES
- Usually made of wood, sometimes
with a built in drying rack for test tubes
TEST TUBE RACK
- a ROUND PIECE OF GLASS that is slightly CONCAVE/CONVEX (think of a lens)
- can hold a small amount of liquid or solid
- can be used for EVAPORATION PURPOSES
- can function as a lid for a beaker
WATCH GLASS
- can be made of plastic or glass and can have either a SHORT STEM OR A LONG STEM
- Used to CHANNEL LIQUID OR FINE-GROUND SUBSTANCES into containers with small opening
FUNNEL
- Used for MEASURING VOLUME OF LIQUIDS
- There are several markings up and
down the length of the container with
SPECIFIC INCREMENTS.
GRADUATED CYLINDER
- A ROUND FLASK WIHT LONG NECK and flat bottom
- Used to measure an
EXACT VOLUME OF LIQUID - There is a small line on the neck that indicates how far to fill the bottle
VOLUMETRIC FLASK
- Small glass tubes with NARROW TIP ON ONE END and a RUBBER BULB on the other
- SUCK UP LIQUID that can then be
SQUEEZED OUT IN SMALL DROPS
DROPPERS
- Measuring an EXACT VOLUME OF LIQUID and PLACING IT INTO ANOTHER CONTAINER
PIPETTE
EXTREMELY ACCURATE MEASUREMENT
VOLUMETRIC PIPETTE
GRADUATED OR MEASURING PIPETTE
MOHR’S PIPETTE
- A glass tube that is
OPEN AT THE TOP and comes to a NARROW POINTED OPENING AT THE BOTTOM - Right above the bottom opening is a STOPCOCK that can be turned to CONTROL THE AMOUNT OF LIQUID THAT IS BEING RELEASED
BURETTE
Burette is used especially in
TITRATION
Used for EXTREMELY ACCURATE addition of liquid
BURETTE
Used to SUSPEND burets, beakers,
flasks, crucibles, etc. in some cases, a
heat source
IRON STAND, RING, CLAMPS
Used for GRABBING THINGS that should not be touched by hands
FORCEPS
Used for SCOOPING CHEMICALS
SPATULA AND SCOOPULAS
Used for MEASURING TEMPERATURE
THERMOMETER
- a mechanical apparatus that is
CONNECTED TO A FLAMMABLE GAS SOURCE. - Used to PRODUCE AN OPEN FLAME
BUNSEN BURNER
it controls the AIR FLOW in an bunsen burner
ROTATING COLLAR
adjusts the AMOUNT OF GAS in a bunsen burner
GAS VALVE
keeps burner from MAKING CONTACT WITH WORK SURFACE
BASE
- SAFEST flame
- COOLEST flame
- YELLOW/ORANGE in color
- NEVER USED TO HEAT, only to show that the burner is on
SAFETY FLAME
- MEDIUM flame
- BLUE flame
- INVISIBLE flame
- Difficult to see in a well lit room
- MOST COMMONLY USED
NORMAL FLAME
- LIGHT BLUE TRIANGLE in the middle
- Only flame to MAKE A NOISE
- HOTTEST flame
ROARING FLAME
ACCURATELY MEASURE mass from around 0.0001g to 0.00001g
ANALYTICAL BALANCE
Measures mass from around 0.01g to 0.1g
TOP LOADING BALANCE
PRECISION BALANCE
Used for CLEANING TEST TUBES and other narrow mouth glasswares
TEST TUBE BRUSH
Used to DISTRIBUTE EVENLY HEAT and
support beakers during heating
WIRE GAUZE
- Has an open center
- Used to SUSPEND CRUCIBLES
CLAY TRIANGLE
- Made of PORCELAIN OR BOROSILICATE GLASS
- Used to HEAT LIQUIDS FOR EVAPORATION
EVAPORATING DISH
- Made of glass, plastic, borosilicate,
and topped by caps or stoppers - Intended to CONTAIN CHEMICALS
REAGENT BOTTLE
Used to MOVE TEST TUBES (whether due to heat or safety reasons)
TEST TUBE HOLDER
A THREE-LEGGED PLATFORM used to
support or hold flasks and beakers
TRIPOD
Used to MIX CHEMICALS AND LIQUIDS
STIRRING ROD / GLASS ROD
Used for VIEWING or making enlarged
images of VERY SMALL OBJECTS
MICROSCOPE
Used to CRUSH, MASH, OR GRIND substances
MORTAR AND PESTLE
Used to PRODUCE AN OPEN FLAME for
heating, STERILIZATION or combustion
ALCHOHOL LAMP
Used for SUCKING OR ABSORBING LIQUIDS through a narrow tube
ASPIRATOR
Used to CONNECT two other pieces of
JOINTWARE to each other
ADAPTER
Used in LIQUID-LIQUID EXTRACTION to
separate (partition) components of a
mixture of TWO IMMISCIBLE LIQUIDS
(different densities)
SEPARATOY FUNNEL
- Usually a LONG, CIRCULAR GLASS TUBE. INSIDE THE TUBE there is another, SMALLER TUBE
- Used to COOL HOT GASES INTO LIQUIDS
CONDENSER
Used to SEPARATE MIXTURES of two liquids WITH DIFFERENT BOILING POINTS
DISTILLING FLASK
Used to VERIFY GAS PRODUCTION
in FERMENTATION
FERMENTATION TUBE
Acts as SHALLOW CYLINDRICAL GLASS or plastic lidded dish that biologists USE TO CULTURE CELLS
PETRI DISH
A SMALL GLASS BOTTLE OF KNOWN VOLUME for determining the RELATIVE DENSITY of liquids and solids by weighing
PYCNOMETER
- A SMALL VOLUMETRIC FLASK with a LONG GRADUATED NECK used in pharmacy for DETERMINING CINNAMALDEHYDE in cassia bark and other forms of cinnamon
CASSIA FLASK
