Lab Safety Flashcards Preview

Chem > Lab Safety > Flashcards

Flashcards in Lab Safety Deck (100):
1

The lab or classroom is to be used for

Serious work

2

Study your lab assignment

Before you come to the lab

3

If you are in doubt about a procedure

Ask your teacher for help

4

Follow all

Oral and written directions and note all cautions given for specific experiments

5

Lab areas should not be

Cluttered with unnecessary books, articles, clothing or lab-ware

6

Unauthorized experiments must

Never be performed

7

Unless directed to do so

Never mix or heat chemicals

8

Students should not

Attempt any experiments at home without proper instruction and supervision.

9

(Pg 34/2) no student is to

Remove any equipment and/or especially chemicals from a laboratory

10

(Pg 34/2) wear the

Safety equipment provided for you

11

(Pg 34/2) safety goggles or

Non-breakable prescription eye goggles must be worn

12

Safety glasses are absolutely required when

Working with caustics, heating liquids or solids, hammering solid materials, dissecting or for any similar procedure, which might have a tendency to cause damage to the eyes

13

Should anything in the eye

Notify the teacher immediately

14

Know the location of the

Fire extinguisher, fire blanket, eyewash, and nearest emergency shower and health office

15

Back away from

Bench fires and call the teacher

16

If clothing should catch on fire

Smother it with fire blanket or extinguisher (directed away from face) or quench it under safety shower

17

Inspect all glassware for

Cracks or breakage before beginning lab work

18

Broken glass should be

Swept up immediately with broom and dustpan

19

A wet was if paper towel can be used to

Pick up splinters

20

Never throw broken glass in

Waste paper basket

21

Place broken glass and solid substances in

Designated containers

22

Keep.... Out of the

Insoluble waste materials out of the sink

23

Be as careful and clean as possible in the

Use or all laboratory equipment

24

Students should

Wash up after working in the laboratory

25

Do not

Eat in the lab

26

Do not --- from

Drink from lab glassware or utensils

27

Do not put anything

In your mouth in the lab

28

Learn in general to keep

Hands paper pencils and other objects away from your face and mouth

29

Know what you are

Doing at all times. Be aware of what neighboring students are doing

30

Report any

Accident injury or incorrect procedure to your teacher at once

31

Never be a

Practical joker in the laboratory

32

Never

Run in the lab

33

Think before

You act

34

Handle chemicals

Carefully

35

Check the

Labels on bottles before removing contents

36

Do not return

Unused chemicals to reagent bottles unless directed to do so

37

Liquids are to be

Transferred over a sink

38

Do not set

Stoppers on the bench

39

Be sure to

Wipe reagent bottles after use

40

Follow specific instructions from your teacher for

Piper techniques

41

Do not pour

Liquids from a wide mouth container to a narrow mouth

42

Do not

Exchange stoppers of bottles

43

Never taste any

Chemical substance unless you are directed soecifically by your teacher to do so

44

Never draw

Poisonous materials into piper with your mouth

45

Use piper bulb

Whenever possible

46

When observing the odor of a substance do not

Hold your face directly over the container. Fan a small amount of vapor toward you by sweeping your hand over the top of the container

47

Only under the direction of your teacher should you handle

Toxic or combustible gasses; use fume hood when handling such materials and be sure room is well ventilated

48

When a gas is collected by water displacement make certain that

Delivery tubes are not clogged

49

Upon completing gas collection

Remove delivery tube from collecting tub before removing heat from any generating flask

50

Never point a test tube being heated or when in which a reaction is occurring

At another person or yourself

51

Do not hear liquids in

Containers more than 2/3 full. Use next largest container

52

Handle

Combustible materials carefully

53

Hearing of flammable materials should

Be done in an electric hot plate or double boiler

54

Hair of shoulder length is k

Be tied back when flames are being used and loose clothing is to be avoided

55

Open sandals are

Not to be worn

56

Place hot items on

Heat resistant material

57

Burners are to be

Turned off when not in immediate use

58

Should a bunson burner strike back

Shut off main has valve immediately

59

Keep burners in the

Center or desk at all times

60

When lighting burners

Be careful not to let the gas escape too long before lighting

61

While performing chemical experiments students should

Place their stools under lab tables and stand until they have completed the lab

62

Know the correct procedure for

Mixing acid solutions

63

Always add acid

Slowly to water. Never water to acid

64

Should acid or another corrosive chemical

Spill in hands clothing bench or floor flush immediately with water. Notify teacher immediately

65

Cut glass should be

Fire polished before use

66

Observe appropriate procedure when cutting

Cutting glass tube or rod

67

Allow fire polished glass to

Cool on heat resistant material before using

68

Before inserting glass tuning in stoppers

Lubricants glass with small amount of water or glycerine. Protect hands with moist paper towel. Observe proper procedure as directed by your teacher. Never use force

69

When usin electric current

Avoid having both hands on contact with "live" sections of circuit.

70

Avoid live contact with

Bare metal

71

Electrical equipment must never be

Handled with wet hands or while user is standing in water

72

Do not yank

Plugs from outlets by holding water

73

All electrical circuits must be

Checked by teacher before proceeding with lab work

74

Never use

Frayed cords

75

Never handle lab animals without

Specific directions from teacher

76

Never poke fingers or hands into

Cages fish tanks and or terrariums

77

Gloves are recommended when handling lab animals to

Prevent bites

78

Pointed (probes) and:or sharp (scalpel) instruments are to be

Handled with utmost care and only as directed by teacher

79

Wear gloves when

Dissecting or working with live cultures

80

Wash all dissecting instruments after

Use and dispose of all solid waste

81

In case a live culture is spilled

Notify the instructor immediately and disinfect your hands

82

Always sterilize cultures before

Disposing of them. Your instructor will direct how this is to be done

83

Dispose of liquid waste and agar only in

The containers provided for this purpose

84

At the conclusion of the lab periods

Return all equipment to its place and wash desk tops with disinfectant

85

When lab work is completed

Be sure to turn off water and gas. Clean work area. Use remaining time to work on your lab report

86

If a cut is slight and bleeding is not profuse

Examine cut for pieces of broken glass

87

Remove any pieces of glass in cut with

Forceps clean with soap and water and apply an antiseptic bandage

88

If bleeding is profuse and does not stop within a few minutes

Cover wound with thick sterile pad and apply constant pressure

89

If poisoned induce vomiting except in

Case of acid or base poisoning) by having a person drink warm salt or soap solution

90

Make sure you give the suspect poisoning agent bottle to the

School nurse, first aid squad, or doctor to take them to the hospital

91

For poisoning follow

Antidote on bottle of prescribed and available

92

In case of electric shock do not

Touch person if they are still in contact with electric circuit. Notify teacher immediately. Call school nurse a doctor and the principal

93

In case of fainting or collapse give person

Fresh air and recline so that head is lower than body. Notify teacher

94

In case of shock keep person

Lying down, warm, and elevate feet. Call school nurse a doctor and the principal

95

Report all accidents or injuries to

Your teacher at once

96

If heat burn is slight

Apply cold water

97

If heat burn is serious

Call school nurse or doctor and principal. Apply thick dry sterile dressing. Don't break any blisters to clean burn

98

If clothing adheres to burned surface

Don't attempt to remove it but cut around adhering portion

99

If acid or base splashes on skin

Wash with plenty of water until help arrives and don't stop until nurse/doctor takes over

100

If acid or base splashes in eyes

Wash eye with eyewash until help arrives and don't stop until nurse/ doctor takes over