您还有0次抽奖机会
锤子
消耗积分 : 免积分
unitAfter acidifying a sample solution with hydrochloric acid, dispense iodine solution and leave it for 30 minutes in a dark place. And then remaining iodine is quantified by back titration with Na2S2O3titrant.
打开失败或需在电脑查看,请在电脑上的资料中心栏目,点击"我的下载"。建议使用手机自带浏览器。