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随着生活水平的提高,人们的衣食住行越来越讲究。吃的要酸碱性食物搭配,喝的要弱碱性水,厨房清洁洗刷要中性不伤手。于是出现一个问题:如何确定我们日常在浴室和厨房里所接触的化学物品是酸性还是碱性,以及它们的酸性和碱性的强度有多大?如果你想知道,就来一起自制一种酸碱指示剂吧!一、实验前的准备1.碱面、白醋、自来水、紫甘蓝。2.过滤豆浆渣的过滤网、医用注射器各(10mL)1个,隐形眼镜瓶7个(或用装胶囊药的空铝塑板),玻璃杯3个,捣蒜器。二、你来动手做一做
With the improvement of living standards, people are paying more and more attention to food, clothing and housing. Eat with acid and alkaline foods, drinking to weak alkaline water, kitchen cleaning and washing should not hurt neutral hand. A question then arises: How do we determine if the chemicals we are exposed to in our bathrooms and kitchens are acidic or alkaline, and how strong are their acids and alkalis? If you want to know, come together and make a kind of acid and alkali. Indicators! I. Preparation before the experiment 1. Alkaline, white vinegar, tap water, purple cabbage. 2. Filter the filter screen of the milk slag, one medical syringe (10 mL), 7 contact lens bottles (or empty aluminum-plastic plate with capsules), three glasses, and garlic. Second, you do it yourself