Corrosives Common corrosive acids Sulfuric acid – battery acid, drain opener, cleaner Acetic acid – contained in vinegar Hydrochloric muriatic acid acid – also called 1a.
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Transcript Corrosives Common corrosive acids Sulfuric acid – battery acid, drain opener, cleaner Acetic acid – contained in vinegar Hydrochloric muriatic acid acid – also called 1a.
Corrosives
Common corrosive acids
Sulfuric
acid – battery acid,
drain opener, cleaner
Acetic
acid – contained in
vinegar
Hydrochloric
muriatic acid
acid – also called
1a
Common corrosive acids
Nitric acid – also an oxidizing agent
Chromic acid
Hydrofluoric acid – a very strong
acid that can be used to etch glass
Corrosive acids you work with
1b
Common corrosive
bases
Ammonium
hydroxide –
contained in household
ammonia products
Potassium
Sodium
hydroxide – potash
hydroxide – lye
1c
Common corrosive
bases
Calcium
lime
Sodium
hydroxide – hydrated
carbonate – soda ash
Corrosive
bases you work with
1d
Recognizing corrosives
Corrosives
can be liquids,
powders, pellets, or gases
Most
odor
have a strong, irritating
2a
Recognizing corrosives
Read
the label
Litmus
paper test
2b
Chemistry of corrosives
Can
be either acids or bases
Chemically
Contact
pH
reactive
with metal
level
3
Health hazards of
corrosives
Explained
in MSDSs
Chemical
burns to skin and the
mucus membranes of
your eyes, nose,
mouth, and
respiratory tract
4a
Health hazards of
corrosives
Respiratory
ailments due to a
build up of fluid in the lungs
Poisoning,
many
corrosives are toxic
4b
Physical hazards of
corrosives
Explained
in MSDSs
Reactive
with many materials.
Many react with water
Combustible
or
flammable, can easily
ignite and burn
5
Engineering controls
Ventilation
Chemical
systems
transfer equipment
6a
Personal protective
equipment (PPE)
See
MSDSs for PPE
recommendations
You
must be
trained in use
and demonstrate
understanding
7
Safe work procedures
Refer to MSDS for handling
information
Take fire prevention precautions
Remove all jewelry
Use only the amount you need
8a
Safe work procedures
Dispense
a time
from one container at
When
mixing, always add the
corrosive to the water
Be
cautious about skin contact
8b
Safe storage procedures
Refer
to MSDS for storage
information
Store
in original container
9a
Safe storage procedures
Storage
areas should be wellventilated
Inspect
containers for damage
prior to use
9b
Proper clean-up and
disposal procedures
Report
all leaks and spills
Follow
all instructions
10a
Proper clean-up and
disposal procedures
Collect
waste corrosives in
proper containers
Refer
to MSDS for
clean-up and
disposal information
10b
Proper first aid and
emergency procedures
Refer
to MSDS for first aid and
emergency information
Workers
overexposed to
corrosives must be
removed to an area
with fresh air
11a
Proper first aid and
emergency procedures
In
case of direct contact flush
the affected area with plenty of
clean water for at least 15
minutes
Medical
attention
may be necessary
11b