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  2. Laboratory safety - Wikipedia

    en.wikipedia.org/wiki/Laboratory_safety

    Hazardous chemicals present physical and/or health threats to workers in clinical, industrial, and academic laboratories. Laboratory chemicals include cancer-causing agents (carcinogens), toxins (e.g., those affecting the liver, kidney, and nervous system), irritants, corrosives, sensitizers, as well as agents that act on the blood system or damage the lungs, skin, eyes, or mucous membranes.

  3. Units of paper quantity - Wikipedia

    en.wikipedia.org/wiki/Units_of_paper_quantity

    A quire of paper is a measure of paper quantity. The usual meaning is 25 sheets of the same size and quality: 1 ⁄ 20 of a ream of 500 sheets. Quires of 25 sheets are often used for machine-made paper, while quires of 24 sheets are often used for handmade or specialised paper of 480-sheet reams.

  4. Emergency eyewash and safety shower station - Wikipedia

    en.wikipedia.org/wiki/Emergency_eyewash_and...

    An emergency eyewash and safety shower station are essential equipment for every laboratory that uses chemicals and hazardous substances. Emergency eyewash and safety shower stations serve the purpose of reducing workplace injury and keeping workers away from various dangers.

  5. Chemical safety - Wikipedia

    en.wikipedia.org/wiki/Chemical_safety

    Chemical safety includes all safety policies, procedures and practices designed to minimize the risk of exposure to potentially hazardous chemicals. This includes the risks of exposure to persons handling the chemicals, to the surrounding environment, and to the communities and ecosystems within that environment. [ 1 ]

  6. Laboratory glassware - Wikipedia

    en.wikipedia.org/wiki/Laboratory_glassware

    Laboratory glassware is composed of silica, which is considered insoluble in most substances, with a few exceptions such as hydrofluoric acid or strong alkali hydroxides. Though insoluble, a minute quantity of silica will dissolve in neutral water, which may affect high precision, low threshold measurements of silica in water.

  7. Wire gauze - Wikipedia

    en.wikipedia.org/wiki/Wire_gauze

    Wire gauze was also used in safety lamps containing a flame in coal mines and environments where flammable gases may build up; the gauze prevents the flame from igniting gas outside the lamp, causing an explosion. Some wire gauze is made with a ceramic centre. [4]

  8. Beaker (laboratory equipment) - Wikipedia

    en.wikipedia.org/wiki/Beaker_(laboratory_equipment)

    In laboratory equipment, a beaker is generally a cylindrical container with a flat bottom. [1] Most also have a small spout (or "beak") to aid pouring, as shown in the picture. Beakers are available in a wide range of sizes, from one milliliter up to several liters. A beaker is distinguished from a flask by having straight rather than sloping ...

  9. GHS hazard pictograms - Wikipedia

    en.wikipedia.org/wiki/GHS_hazard_pictograms

    Hazard pictograms form part of the international Globally Harmonized System of Classification and Labelling of Chemicals (GHS). Two sets of pictograms are included within the GHS: one for the labelling of containers and for workplace hazard warnings, and a second for use during the transport of dangerous goods.