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Lab Safety Ag. Chemistry Lab Safety Ag. Chemistry

Lab Safety Ag. Chemistry - PowerPoint Presentation

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Uploaded On 2019-03-03

Lab Safety Ag. Chemistry - PPT Presentation

with Mrs Alvarez We dont want this Everyone who works in a chemistry laboratory needs to follow these safety precautions 1 Wear safety goggles and a laboratory apron in the laboratory at all times ID: 754853

fire laboratory glass safety laboratory fire safety glass chemicals chemical bottle reagent acid lab teacher hands leave blanket immediately

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Slide1

Lab Safety

Ag. Chemistry

withMrs. AlvarezSlide2

We don’t want this…Slide3

Everyone who works in a chemistry laboratory needs to follow these safety precautions:Slide4

1.

Wear safety goggles and a laboratory apron in the laboratory at all times.Slide5

NO

YESSlide6

2. Avoid wearing overly bulky or loose fitting clothing. Remove any dangling jewelry.Slide7

Shoes should completely cover the top of footSlide8

3. Conduct only assigned experiments, and do them only when your teacher is present.Slide9

4.

Know the locations of safety equipment such as eyewash fountains, fire extinguishers, emergency shower, and fire blanket. Be sure you know how to use the equipment. Slide10

Fire blanketSlide11

Fire extinguisherSlide12

5.

Do not chew gum, eat, or drink in the laboratory. Never taste any chemicals. Slide13

Keep hands away from face, eyes and mouth while using chemicalsSlide14

6.

Wash your hands with soap and water at the end of each laboratory exercise.Slide15

7.

Read all of the directions for a laboratory procedure before proceeding with the first part. Reread each instruction before you carry it out.Slide16

8.

Notify your teacher immediately if any chemicals, especially concentrated acids or bases, are spilled.Slide17

9.

Report all accidents, no matter how slight, to the teacher immediately.Slide18

10.

Pin or tie back long hair and roll up loose sleeves when working with flames.Slide19

11.

Do not leave a lit burner unattended.

12. Use a hot plate instead of an open flame whenever a flammable liquid is present.Slide20

13.

Read the label on a reagent bottle carefully

before using the chemical. After removing the chemical from the bottle, check to make sure that it is the correct chemical for that procedure.Slide21

14.

To avoid contamination, do not return unused chemicals to a reagent bottle. Similarly, never put a pipet, spatula, or dropper into a reagent bottle. Instead, pour some of the reagent into a small clean beaker and use that as your supply.Slide22

15.

Do not use chipped or cracked glassware. Discard it according to your teacher’s instructions.Slide23

16.

When diluting an acid, always pour the acid slowly into water, stirring to dissipate the heat generated.

CAUTION: Never pour water into a concentrated acid.

ADD ACIDSlide24

17.

When heating a liquid in a test tube, turn the mouth of the test tube away from yourself and others. Slide25

Related, do not directly inhale fumes…waft them.Slide26

18.

Clean up spills and broken glass immediately. Leave your work area clean at the end of the laboratory period.Slide27

Never handle broken glass with your bare hands

Use a dust pan and brushPlace broken glass in glass disposal containerSlide28

Please leave the lab area the way you would like to find it each day.Slide29

Start the lab with your stuff stowed away.Slide30

Keep the aisles clearSlide31

Lab Supplies!Slide32

Safety Map!

Your Task:

Draw a map of the classroom on a piece of computer paper

Be sure to draw, label, and color the following

E

xit

2

Sinks

Fire

Extinguisher

Fire Blanket

Glass

Disposal(trash by my desk)

Emergency Eye wash/shower station

Chemical Storage Cabinet

Supplies

Cabinet

Classroom Organization Station (where to turn work in, pick up packets, staple papers, etc)

Make it neat and organized! This is worth points!

DUE FRIDAY with PACKET