Which things are corrosive

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When mixing corrosive solids with water, always slowly add the corrosive solid to the water, stirring continuously. Cooling may also be necessary. If there is a possibility that you may generate a significant amount of dust, conduct work in a fume hood. If the potential exists for explosion or a high thermal reaction, additional shielding should be utilized.

This may involve the use of shielding in a glove box or in the case of a fume hood with the sash in the lowest possible position. Portable shields may also be used for additional protection. Special Considerations for Corrosive Gases For potentially corrosive gases, perform manipulations of materials that pose an inhalation hazard in a chemical fume hood to control exposure or wear appropriate respiratory protection.

Ensure that you protect all exposed skin surfaces from contact with corrosive or irritating gases and vapors. Ensure that regulators and valves of gases are closed when the cylinder s are not in use and properly purged and cleaned with dry air or and inert gas such as nitrogen.

Ensure that when corrosive gases are to be discharged into a liquid, a trap, check valve or vacuum break device is employed to prevent dangerous reverse flow. Risk Takers Wanted. Follow Connect with us. Sign up. Thank you for subscribing to our newsletter! Connect with us. Corrosive Material. Safeopedia Explains Corrosive Material. What Does Corrosive Material Mean? Safeopedia Explains Corrosive Material Corrosive materials include common acids as hydrochloric acid, sulphuric acid, nitric acid, chromic acid, acetic acid and hydrofluoric acid.

There are 2 main types of corrosive substances - Acids and Bas es. Bases are corrosive substances that:. The Australian Standard AS - Class labels for Dangeorus Goods sets out the design and selection of labels and pictograms for the different classes of dangerous goods.

This standard is based on the requirements set out in the ADG code. The sign that is used to symbolise Class 8 Corrosive Substances is shown to the right:. When storing corrosive substances in the workplace, it is very important that you segregate acids and bases. If acids and bases mix, they will neutralise each other and produce dangerous by-products such as poisonous salts. In some neutralisation reactions between acids and bases, severe heat evolves which can have other dangerous implications.

When corrosive substances are present in the workplace it is also very important that you store and handle them in a way that minimises their risk to people, property and the environment.

This can be done by:. As corrosive substances have a strong ability to dissolve flesh and cause severe burns to your skin and eyes, it is very important that you are aware of the corrosive substances that are present in your workplace.