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