促进学生体验和理解化工流程——从草木灰中提取粗碳酸钾的微型实验  

Micro Experimental Design for Extracting Crude Potassium Carbonate from Plant Ash

作　　者：伍强 黄荣霞 WU Qiang;HUANG Rong-Xia(Hubei Tianmen Middle School,Tianmen 431700,China;Tianmen Experimental Senior High School,Tianmen 431700,China)

机构地区：[1]湖北省天门中学,湖北天门431700 [2]天门市实验高级中学,湖北天门431700

出　　处：《化学教育(中英文)》2025年第3期81-85,共5页Chinese Journal of Chemical Education

摘　　要：对从草木灰中提取粗碳酸钾的实验进行了改进,设计了可代替酒精灯使用的微型炭炉,设计了微型电动搅拌器,设计了浸取压滤一体装置,极大缩短了实验时间,使得该实验更易推广。有目的地挖掘了各种商业成品的新用途,并应用在化学实验中,使实验设备具有成本低、易搬运、节能、绿色化、普适性强等特点。Improvements were made to the experiment of extracting crude potassium carbonate from plant ash.A micro charcoal furnace was designed to replace alcohol lamps,a micro stirrer was designed,and an integrated leaching and filtration device was designed,greatly reducing the experimental time and making the experiment easier to promote.This paper purposefully explored new uses of various commercial products and applied them in chemical experiments,making experimental equipment low-cost,easy to transport,energy-saving,green,and universally applicable.

关 键 词：草木灰 提取 碳酸钾 实验设计 

分 类 号：G633.8[文化科学—教育学]