日韩性爱女同性恋,玖玖综合日,不卡啪啪视频,4月婷久久,精品在线观看视频,亚洲一区精选自拍,日韩欧美人妻网站一区,麻豆精品视频一区二区,色尚和久久

化學(xué)配方數(shù)據(jù)庫(kù)
配方類型: PYROTECHNICS AND EXPLOSIVES
配方說(shuō)明: Devils Step on the Walk
配方組成:
配制方法: Chemically, this is nitrogen triiodide. It is extremely dangerous and very explosive when dry. It can be prepared safely in aqueous ammoniacal solution and can be safely handled while wet. However, when the water evaporates, it should never be handled, because when dry it will explode spontaneously, or when touched with a feather.
It is easily prepared by diluting concentrated ammonium hydroxide with an equal volume of water. Use this to wet down half its weight of iodine crystals. Allow the mixture to react 3 minutes and then filter off the ammonia-water solution. While the black residue is still very wet, sprinkle small pieces, about the size of a match head, on the sidewalk or in hallways, where in about 1 hour there will be considerable traffic. The results will be quite startling. Be sure to wash the filter paper thoroughly as otherwise it can be a hazard when it dries out. All equipment used should be well washed, or allowed to stand, immersed in water.
Never handle nitrogen triiodide in the d

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
旬邑县| 安平县| 泾源县| 静海县| 松阳县| 游戏| 遵化市| 和田市| 芜湖市| 四会市| 堆龙德庆县| 新营市| 大丰市| 仲巴县| 博客| 呼伦贝尔市| 台南县| 依安县| 南郑县| 兴国县| 宜都市| 莎车县| 洛阳市| 兰州市| 澳门| 光泽县| 武威市| 阳高县| 明水县| 五寨县| 达拉特旗| 许昌县| 宝丰县| 光泽县| 杭锦旗| 虎林市| 宁武县| 云龙县| 浦县| 茂名市| 长宁区|