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甘眉迹4547如何制作隐形墨水? -
杜彩饰13210784511 ______ 食醋 或牛奶 或者其他的有机物,写字干了之后看不见,用火烤纸之后就能看见字啦 简单吧
甘眉迹4547隐型墨水的制作方法? -
杜彩饰13210784511 ______ 老鹅胆一只,不要沾水,头上剪一个小洞,灌入1钱明矾末.用绳子扎紧悬挂于通风处让他阴干,然后用此胆汁调色.写出来的字“日则不视夜则明显,晴则不视阴则明显.”
甘眉迹4547制作隐形墨水 -
杜彩饰13210784511 ______ 用酚酞或者碱水写字.然后用碱水或酚酞溶液处理.
甘眉迹4547如何制做隐形墨水 -
杜彩饰13210784511 ______ 我以前在书上看到的是拿墨鱼墨斗里的墨汁来写,一段时间以后是会不见的.如果要保存的话,在上面图一层泥巴、
甘眉迹4547如何隐形墨水的制做
杜彩饰13210784511 ______ 可以用酚酞,它遇酸变红.
甘眉迹4547谁知道隐型墨水的制作方法? -
杜彩饰13210784511 ______ 最简单的方法是用酚酞或者碱水写字.然后用碱水或酚酞溶液处理. 你还可以参考一下这个上面很详细了http://baike.baidu.com/view/1686592.html?wtp=tt
甘眉迹4547用牛奶做隐形墨水的原理在白纸上用牛奶写字,写完后风干,再用打火机,在纸下面烤一下,字便显现出来.但是白纸的替他地方却没有被烤过的任何痕迹.请... -
杜彩饰13210784511 ______[答案] 蛋白质在60摄氏度左右变性,凝固,显现出来,而纸的燃点达到130度以上,故出现所述现象
甘眉迹4547科学小柯南—神奇墨水空无一字的白纸,只要用火烤一下,字型图案就会显现出来,你会制作这种隐形墨水吗? -
杜彩饰13210784511 ______ 隐形墨水之原理也非常简单,它仅仅是利用酸碱指示剂在酸性或碱性溶液中的颜色变化而已,除了应用化学变化中的酸碱中和之原理之外,还可利用其它的化学反应—如沈淀反应、氧化还原、错离子形成及催化反应等现象,来配制隐形墨水.为了进一步揭开隐形墨水的秘密,以下仅以酸碱型、沈淀型、错离子型、氧化还原型及催化型等五种隐形墨水的配制与使用加以说明供作参考.楼主啊,本人打字慢,苦写的,给分啊!!!!
甘眉迹4547神奇墨水的原理,急!!!!!!! -
杜彩饰13210784511 ______ 任何有机物,只要能够产生热量就能用来制作隐形墨水.有机物意味着它包含碳元素,含碳的物质都会燃烧.牛奶、鸡蛋清、尿液、柠檬汁都可以被制成隐形墨水.
甘眉迹4547隐形墨水的配制使用 -
杜彩饰13210784511 ______ 将酸碱指示剂如酚钛溶液滴2滴于酸性溶液(如0.1M HCl)中,并利用毛刷沾酸性溶液将滤纸涂满,待干后再利用毛笔沾取碱性溶液(如0.5M NaOH)做为隐形墨水(无色透明),并在滤纸上写字,则便会在白色滤纸上出现粉红色字来.如改用...