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PG5 is the largest stable synthetic molecule ever made. [1] PG5 was designed by the organic chemistry research group working at the Federal Institute of Technology in Zürich . [ 2 ]
An outdated substance is an active substance which was already on the market in the European Union on July 25, 1993, before the action step of the directive. Existing stocks could still be used afterwards for one year. [5] Thidiazuron is still used in other parts of the world, including in the United States, Australia, and Mexico. [citation needed]
Polymer-bonded explosives, also called PBX or plastic-bonded explosives, are explosive materials in which explosive powder is bound together in a matrix using small quantities (typically 5–10% by weight) of a synthetic polymer. PBXs are normally used for explosive materials that are not easily melted into a casting, or are otherwise difficult ...
Carbonyl iron is a highly pure (97.5% for grade S, 99.5+% for grade R) iron, prepared by chemical decomposition of purified iron pentacarbonyl. It usually has the appearance of grey powder, composed of spherical microparticles. Most of the impurities are carbon, oxygen, and nitrogen.
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COST data by YCharts. 3. Value stocks increase in popularity. Many stocks now trade at premium prices thanks to the huge gains of the last couple of years. Sooner or later, though, investors will ...
[2] [5] For example, Nafion 117 indicates an extrusion-cast membrane with 1100 g/mol EW and 0.007 inches (7 thou) in thickness. [5] In contrast to equivalent weight, conventional ion-exchange resins are usually described in terms of their ion exchange capacity (IEC), which is the multiplicative inverse or reciprocal of the equivalent weight, i ...
5-Methylfurfural is an organic compound with the formula C 6 H 6 O 2. An aldehyde that is derived through various extractions and reductions from cellulose products, [5] [6] it has applications as a synthetic intermediate [7] relevant to the fields of medicine, agriculture and cosmetics. [8] It is a food additive, and has FEMA number 270s and ...