论文部分内容阅读
漂白粉是水产常用药物之一。含有效氯多少是药物质量的关键。鱼病防治要求有效氯含量达到25％以上。现介绍一种简易测定漂白粉含氯量的方法。 1.测定用具:准备家庭常用的干净白瓷碗(约能装半斤水那种)二只、洗净的旧钢笔一支(有医用胶头吸管更好)、洗衣粉匙一个、蓝黑墨水一瓶或半瓶、适量的清水。 2.测定方法: ①一匙漂白粉(10克左右)倒入装满清水的一
Bleach is one of the commonly used drugs in aquatic products. How much effective chlorine is the key to drug quality. Fish disease prevention and control require effective chlorine content of more than 25%. Now introduce a simple method for the determination of bleach chlorine content. 1. Determination of equipment: Preparation of household commonly used clean white porcelain bowl (about half a catty can hold the kind of water) two, a clean old pen (with a medical plastic straw better), a detergent spoon, blue and black Ink bottle or half a bottle, the amount of water. 2. Determination: ① a spoonful of bleach (10 grams) into a filled with water