safety-in-academic-chemistry-laboratories-students

Gloves gloves are an important part of personal

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Unformatted text preview: s are an important part of personal protection. Your instructor will require their use when appropriate. A variety of gloves and materials are available: latex, neoprene, butyl rubber, and many other materials. Different types of gloves have different gauntlet lengths; some cover the entire arm, some only the forearm, and some are only wrist-length. Individuals who are latex-sensitive should not wear gloves made of latex. Although cloth or leather gloves may protect against hot or cold objects, do not rely on them for protection against hazardous chemicals. Cloth gloves are porous; leather gloves are likely to be contaminated from prior use. Use gloves correctly. Always check your gloves before each use to ensure the absence of cracks and small holes. To avoid unintentionally spreading chemicals, remove your gloves before leaving the work area and before handling such things as telephones, doorknobs, writing instruments, laboratory notebooks, and textbooks. Be aware that no glove material can provide permanent protection. Eventually, liquids will permeate the glove. When certain glove materials are used with some liquids, permeation can take only a few minutes. Because the permeability of gloves made of the same or a similar material can vary by manufacturer, refer to the information provided by the manufacturer of the gloves for specific guidance. If a chemical diffuses through a glove, it is then held against your skin—you could receive more exposure than if you hadn’t worn a glove at all. Do not reuse gloves if they previously have been permeated by a harmful chemical; they cannot be reused safely because the chemical cannot be totally removed. Such gloves should be considered to be a hazardous waste material; dispose of them in the designated hazardous waste container as directed by your instructor. Otherwise, if they are clean, gloves may be reused. 2This combination of all three—laboratory bench shields, safety goggles, and a face shield—does not provide sufficient protection for any but the very smallest of explosions. 4...
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