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Cooling bath. A typical experimental setup for an aldol reaction. Both flasks are submerged in a dry ice/acetone cooling bath (−78 °C) the temperature of which is being monitored by a thermocouple (the wire on the left). A cooling bath or ice bath, in laboratory chemistry practice, is a liquid mixture which is used to maintain low ...
Rust-Oleum is a manufacturer of protective paints and coatings for home and industrial use. It was founded in 1921 by Robert Fergusson, a sea captain, after he noticed that fish oil spilled on rusty metal decks stopped corrosion from spreading. He soon incorporated whale oil into the formula, although many changes have been made over the years.
Dry ice colloquially means the solid form of carbon dioxide. It is commonly used for temporary refrigeration as CO 2 does not have a liquid state at normal atmospheric pressure and sublimes directly from the solid state to the gas state. It is used primarily as a cooling agent, but is also used in fog machines at theatres for dramatic effects.
Combustibility and flammability. A combustible material is a material that can burn (i.e., sustain a flame) in air under certain conditions. A material is flammable if it ignites easily at ambient temperatures. In other words, a combustible material ignites with some effort and a flammable material catches fire immediately on exposure to flame.
Division 4.1: Flammable Solid . Flammable solids are any of the following four types of materials: Desensitized Explosives: explosives that, when dry, are Explosives of Class 1 other than those of compatibility group A, which are wetted with sufficient water, alcohol, or plasticizer to suppress explosive properties; and are specifically authorized by name either in the 49CFR 172.101 Table or ...
The base coat is applied after the primer coat. This coat contains the visual properties of color and effects, and is usually the one referred to as the paint. Base coat used in automotive applications is commonly divided into three categories: solid, metallic, and pearlescent pigments. Solid paints have no sparkle effects except the color ...
Oleum is a useful form for transporting sulfuric acid compounds, typically in rail tank cars, between oil refineries, which produce various sulfur compounds as a byproduct of refining, and industrial consumers. Certain compositions of oleum are solid at room temperature, and thus are safer to ship than as a liquid.
Exposure to heavy metals has been linked to cancer, neurological harms, and reproductive or developmental issues. Now, a new study is adding to emerging research showing that exposure to metals ...