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Lye is a hydroxide, either sodium hydroxide or potassium hydroxide. The word lye most accurately refers to sodium hydroxide (NaOH), [ citation needed ] but historically has been conflated to include other alkali materials, most notably potassium hydroxide (KOH).
Lye water is an essential ingredient in the crust of the traditional baked Chinese moon cakes. Most yellow coloured Chinese noodles are made with lye water but are commonly mistaken for containing egg. One variety of zongzi uses lye water to impart a sweet flavor. Sodium hydroxide causes gelling of egg whites in the production of century eggs.
Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.
In the United States, food-grade lye must meet the requirements outlined in the Food Chemicals Codex (FCC), [34] as prescribed by the U.S. Food and Drug Administration (FDA). [35] Lower grades of lye are commonly used as drain or oven cleaner. Such grades should not be used for food preparation, as they may contain impurities harmful to human ...
An alkaline hydrolysis disposal system at the Biosecurity Research Institute inside of Pat Roberts Hall at Kansas State University. Alkaline hydrolysis (also called biocremation, resomation, [1] [2] flameless cremation, [3] aquamation [4] or water cremation [5]) is a process for the disposal of human and pet remains using lye and heat; it is alternative to burial, cremation, or sky burial.
Food products and household items commonly handled by humans can be toxic to dogs. The symptoms can range from simple irritation to digestion issues, behavioral changes, and even death. The categories of common items ingested by dogs include food products, human medication, household detergents, indoor and outdoor toxic plants, and rat poison. [1]
The Perkins and Will Transparency List includes substances commonly found in the built environment that regulatory entities have classified as being harmful to human and/or environmental health. Because these regulatory designations are constantly evolving, the list is updated as new information is published.
Toxic metals can bioaccumulate in the body and in the food chain. [5] Therefore, a common characteristic of toxic metals is the chronic nature of their toxicity. This is particularly notable with radioactive heavy metals such as radium , which imitates calcium to the point of being incorporated into human bone, although similar health ...