Lab Report Outline and Writing-1.docx

Lab Safety

General Safety Rules

Listen to or read instructions carefully before attempting to do anything.
Wear safety goggles to protect your eyes from chemicals, heated materials, or things that might be able to shatter.
Notify your teacher if any spills or accidents occur.

General Safety Rules

After handling chemicals, always wash your hands with soap and water.
During lab work, keep your hands away from your face.
Tie back long hair.

General Safety Rules

Roll up loose sleeves.
Know the location of the fire extinguisher, fire blanket, eyewash station, and first aid kit.
Keep your work area uncluttered. Take to the lab station only what is necessary.

General Safety Rules

It is suggested that you wear glasses rather than contact lenses.
Never put anything into your mouth during a lab experiment.
Clean up your lab area at the conclusion of the laboratory period.
Never “horse around” or play practical jokes in the laboratory.

Proper Attire

Wear:

Goggles/safety glasses Closed-toed shoes

Clothing made of natural based fiber such as cotton

Tie back long hair

Do NOT Wear:

Sandals

Jewelry

Loose or Baggy clothing

Lab Safety Equipment

Safety Eye Wash Safety Goggles

Shower

Lab Safety Equipment

Fire Fire Blanket Fume Hood

Extinguisher

Glassware Safety

Chipped or cracked glassware should not be used. Show it to the teacher.
Broken glassware should not be disposed of in a classroom trashcan. There is a special glass disposal container for it.
When pouring liquids into glassware, make sure the container you are pouring into is resting on a table at least a hands breadth from the edge.

Glassware Safety

Pour down a glass stirring rod to prevent liquids from splattering.
If a piece of glassware gets broken, do not try to clean it up by yourself. Notify the teacher.
Do not place hot glassware in water.

Rapid cooling may make it shatter

Chemical Safety

Wear protective goggles whenever chemicals, heat or glassware will be

used in the lab.

Never mix chemicals together unless you are told to do so (and then only in the manner specified).
Never taste any chemicals (you should never taste anything in the lab).

Chemical Safety

If you need to smell the odor of a chemical, waft the fumes toward your nose with one hand. Do not put your nose over the container and inhale the fumes.

Never pour water into a concentrated acid. Acid should be poured slowly into water (Triple A rule).

Chemical Safety

Follow the instructions of your teacher when disposing of all chemicals.
Wash your hands after handling hazardous chemicals.

^EElectrical Safety

Lay electrical cords where no one can trip on them or get caught in them.

Be sure your hands and your lab area are dry before using electrical equipment.
Never poke anything into electrical outlets.

Electrical Safety

Unplug cords by pulling the plug and not the cord.
Unplug all electrical equipment at the end of the lab period.

Heating Safety

Let burners and hotplates cool down before touching them. Test to see if they are cool enough by bringing the back of your hand close to them.
Use tongs and/or protective gloves to handle hot objects.
Never reach across an open flame or burner.

Heating Safety

The only type of glassware that may safely be heated is either Kimax or Pyrex.
Always point the top ends of test tubes that are being heated away from people.
When heating a test tube, move it around slowly over the flame to distribute the heat evenly.

Heating Safety

Only glassware that is thoroughly dry should be heated.
Heat glassware by placing it on a wire gauze platform on a ring stand. Do not hold it in your hand.

Heating Safety

When lighting a burner, wait until the striker is in place before you turn on the gas.
The amount of air can be adjusted by the air supply valve below the tube of the burner. This regulates the flame temperature and color.
Never leave a burner or hotplate unattended.

Lab Safety Symbols

Glassware Electrical

Heat Animal

Eye and Face Chemical

Sharp Fire

Physical Hazards Symbols

Flammable

Explosive

Oxidizing

Compressed

Gases

Corrosive to

metals

Environmental

Health Hazard Symbols

Acute Toxicity Irritant

Health Hazard

Skin Corrosion (Carcinogen,

Mutagen, etc.)

Hazard Symbols and Definitions

Toxic/Poison – A substance that can lead to serious injury or death if inhaled, ingested, or absorbed by the skin.

Irritant - A substance that causes inflammation/irritation upon contact with skin or mucous membranes.

Hazard Symbols and Definitions

Oxidizer _– a substance that is not necessarily combustible but may produce oxygen and contribute to the combustion of other material

Corrosive – A substance that can destroy or burn living tissue or can eat away at other materials like metals.

Hazard Symbols and Definitions

Health Hazard – Used for chemicals that are known carcinogens, mutagens or have specific organ toxicity.

Environmental - Substances that are harmful to the environment. They must be disposed of properly, not washed down the drain.

Waste Disposal

First ask your teacher where/how to dispose of waste.

Never pour anything down the drain unless you are told to do so.

A waste bottle will be supplied for substance that cannot go down the drain

Reasons for Proper Waste Disposal

Hazardous chemicals down the drain can lead to pollution of ground water, lakes, rivers, etc.

Plants and animals will die if they are exposed to hazardous chemical waste.

Serious health problems will become present in people if hazardous waste finds its way into drinking water.

First Aid

Injury: Burns

What To Do: Immediately flush with cold water until burning sensation is lessened.

First Aid

Injury: Eyes

What To Do: Flush eyes immediately with plenty of water for several minutes. If a foreign object is lodged in the eye, do not allow the eye to be rubbed.

First Aid

Injury: Cuts, bruises

What To Do: Do not touch an open wound without safety gloves. Pressing directly on minor cuts will stop bleeding in a few minutes. Apply cold compress to bruises to reduce swelling.