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Microplastics effects on human health are a subject of growing concern and an area of research. The tiny particles known as microplastics (MPs), have been found in various environmental and biological matrices, including air, water, food, and human tissues. Microplastics, defined as plastic fragments smaller than 5 mm, and even smaller ...
Plastic pollution is the accumulation of plastic objects and particles (e.g. plastic bottles, bags and microbeads) in the Earth's environment that adversely affects humans, wildlife and their habitat. [ 1][ 2] Plastics that act as pollutants are categorized by size into micro-, meso-, or macro debris. [ 3]
Tritan copolyester. A water bottle made of Tritan. Tritan, a copolymer offered by the Eastman Chemical Company since 2007, is a transparent plastic intended to replace polycarbonate, because of health concerns about Bisphenol A (BPA). [ 1][ 2] Tritan is a copolymer made from three monomers: dimethyl terephthalate (DMT), cyclohexanedimethanol ...
June 25, 2024 at 1:48 AM. A breakthrough new study has found direct evidence linking a key chemical ingredient of plastic bottles to a higher risk of type 2 diabetes. The study, published in the ...
The deposit per bottle (Pfand) is €0.08–0.15, compared to €0.25 for recyclable but not reusable plastic bottles. There is no deposit for glass bottles which do not get refilled, but there are many glass bottles that do get refilled – best known is the Normbrunnenflasche, a 0.7l bottle used for carbonated drinks with a deposit of €0.15 ...
Uranium glass is used as one of several intermediate glasses in what is known to scientific glass blowers as a 'graded seal'. This is typically used in glass-to-metal seals such as tungsten and molybdenum or nickel based alloys such as Kovar , as an intermediary glass between the metal sealing glass and lower expansion borosilicate glass.
Glassing. A broken bottle for glassing. Glassing (or bottling in New Zealand) is a physical attack using a glass or bottle as a weapon. Glassings can occur at bars or pubs where alcohol is served and such items are readily available. The most common method of glassing involves the attacker smashing an intact glass vessel in the face of the ...
Plastic cup. A plastic cup is a cup made out of plastic, commonly used as a container to hold beverages. Some are reusable while others are intended for a single use followed by recycling or disposal. Disposable plastic cups are often used for gatherings where it would be inconvenient to wash dishes afterward, due to factors such as location or ...
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