a strongly alkaline white deliquescent compound used in many industrial processes, e.g. soap manufacture
氢氧化钾,苛性钾。
n. 氢氧化钾;苛性钾
Ethylene diamine potassium hydroxide pulping;
乙二胺-氢氧化钾法制浆;
Allyl vinyl ether, 95% stab. with 0.1% potassium hydroxide.
烯丙基乙烯酯, 95%, 0.1% 氢氧化钾作稳定剂。
Strong alkalines: potassium hydroxide, lithium hydroxide, etc.
强碱,氢氧化钾,氢氧化锂。
Acid calibration potassium hydroxide, to phenolphthalein as indicator.
钾标定,以酚酞为指示剂。
Lye — spelled l-y-e — is also called sodium hydroxide or potassium hydroxide.
碱液也叫做氢氧化钠或者氢氧化钾。
氢氧化钾,是一种常见的无机碱,化学式为KOH,分子量为56.1。白色粉末或片状固体,熔点380 ℃,沸点1324 ℃,相对密度2.04 g/cm3,折射率n20/D 1.421,蒸汽压1mmHg(719 ℃)。其性质与氢氧化钠相似,具强碱性及腐蚀性,0.1 mol/L溶液的pH为13.5。极易吸收空气中水分而潮解,吸收二氧化碳而成碳酸钾。溶于约0.6份热水、0.9份冷水、3份乙醇、2.5份甘油,微溶于醚。当溶解于水、醇或用酸处理时产生大量热量。中等毒,半数致死量(大鼠,经口)1230 mg/kg。
a strongly alkaline white deliquescent compound used in many industrial processes, e.g. soap manufacture
氢氧化钾,苛性钾。