英语释义

1. any of several salts made usually by reaction of hydrofluoric acid with potassium carbonate: such as

2. the hygroscopic crystalline normal salt KF used chiefly as a solder flux and as a fluorinating agent in organic synthesis

3. the poisonous corrosive crystalline acid fluoride KHF2 used chiefly as an electrolyte in the manufacture of fluorine and as a solder flux potassium hydrogen fluoride

片语

potassium beryllium fluoride三氟铍化钾

Potassium acid fluoride氟化氢钾

potassium magnesium fluoride crystal氟化钾镁晶体

potassium aluminium fluoride氟化铝钾

Potassium Aluminum Fluoride氟铝酸钾

Potassium hydrogen fluoride[无化]

potassium zirconium fluoride氟化锆钾

potassium magnesium fluoride crystals氟化钾镁晶体

potassium titanium fluoride氟化钛钾

英汉例句

• The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield. Only the E isomers could be isolated.

  在氟化钾催化下，芳香醛与氰乙酸乙酯发生克脑文格尔缩合反应，得到高产率的缩合产物。且只得到E式异构体。

• It is pointed out by author that fluorination with potassium fluoride in ionic liquids is a good fluorination method.

  在离子液体中用氟化钾氟化是一个新的优良氟化方法。

• Then, sodium fluoride, potassium fluoride and (rubidium, cesium) fluoride was separated by concentrating, stepwise precipiting from the solution.

  分离后的溶液进行浓缩，分步析出氟化钠、氟化钾和铷铯氟化物。