PROBLEM TO BE SOLVED: To obtain a fluorine-containing silane compound which is the reaction product of a specific fluorine-containing alcohol with a multifunctional isocyanate and a specific silane compound and is useful as a coating material for stain-preventing articles having excellent stain ...
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Sodiumfluorideis a compound of the elements sodium andfluorinewith the chemical formula NaF. In the past, NaF was used to fluoridate water, but it has been mostly superseded by other fluoridating compounds. Sodium fluoride is still commonly found in toothpaste and is also used as a chemical re...
Fluorine is sometimes a component in the gases used as anesthetics. Compounds of the element have been used historically a flux agent, designed to make metal and slag more fluid during the smelting process. Fluorine is also a component in hydrofluoric acid, a compound used inetching, and the ...
Teflon is from a family of fluorine-containing chemicals named perfluorinated compounds. This compound in many forms is used in food packaging for pizza boxes, firefighting foams, hardwood floor protectants, and of course Teflon, which is famous for its use in non-stick cookware. Air emissions ca...
Fluoride is the negative ion of the elementfluorine. The symbol for the element fluorine is F. Fluoride often is written as F-, which stands for the anion of fluorine that has a -1 electrical charge. Any compound, whether it is organic or inorganic, that contains the fluoride ion is also...
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1 英语翻译 Topaz is a hard,transparent mineral.It is a compound of aluminum,silica,and fluorine.Gem topaz is valuable.Jewelers call this variety of the stone "precious topaz".The best-known precious topaz gems range in color from rich yellow to light brown or pinkish red.Topaz is one of ...
A small subset of elements -- helium, neon, argon, krypton, xenon and radon -- are known asnoble or inert gasesand don't readily bond with other elements to form compounds. However, elements such as oxygen, chlorine and fluorine readily combine with other elements to form compounds. ...
What is the English name for the compound of magnesium and fluorine? A. 研做研做Magnesium fluoride研做研做 B. 子向劳有几山即子向劳有几山即Fluorine magnesium子向劳有几山即子向劳有几山即 C. 两记者断国住张压结任育包金物些写布两记者断国住张压结任育包金物些写布Magnesium fluorine两记者...