久久人妻xunleige无码|久久精品无码专区免费东京热|亚洲偷精品国产五月丁香麻豆|黑人上司与人妻激烈中文字幕

Fuming Sulfuric Acid

Product Center > Sulfuric acid > Fuming Sulfuric Acid

Fuming Sulfuric Acid

Chemical formula: H2SO4
character:
Colorless or brown oily thick fuming liquid. It has strong irritating odor and strong water absorption. When mixed with water, it generates a lot of heat and can cause explosion. High freezing point is easy to precipitate solid phase. It is highly corrosive and more dangerous than ordinary sulfuric acid, and its steam is harmful to human health if inhaled.

Technical indicators:


ItermCompanylevelGrade
Free SO3%≥20.0/25.0
Ash%≤0.03
Iron content%≤0.010
Arsenic content%≤0.0001


Main purpose:

Important chemical raw materials, widely used in manufacturing dyes, explosives, nitrocellulose, drugs, etc


standard:

GB/T534-2002

Previous: Sulfuric acid
Next: End
精品偷自拍另类在线观看| 午夜无码国产理论在线| 精品女同一区二区三区免费站| 日日躁夜夜躁狠狠躁夜夜躁| 亚洲精品成人网站在线播放| 久久精品一区二区三区四区| 日产日韩亚洲欧美综合在线| 亚洲高潮喷水无码AV电影| yy111111少妇影院无码| 欧美日韩中文国产一区发布| 欧美午夜精品一区二区三区电影| 激情五月色综合国产精品| 人人爽人人爽人人爽人人片av | 国产精品日日摸夜夜添夜夜添无码| 少妇私密会所按摩到高潮呻吟 | 疯狂添女人下部视频免费| 久久精品国产99久久丝袜| 蜜臀av色欲a片无码精品一区| 久久精品夜色国产亚洲av | 日日噜狠狠噜天天噜av| 国产精品国产三级国产av创| 中文成人无字幕乱码精品区| 国产麻豆精品久久一二三| 内射人妻少妇无码一本一道| 国产午夜福利视频在线观看| 亚洲欧洲中文日韩av乱码| 国产国产裸模裸模私拍视频| 少妇高潮毛又多又黑| 国产午夜精品无码理论片| 国产粉嫩高中无套进入| 国产精品一区久久99| 久久久久亚洲av无码永不| 精品人妻久久一日二个| 欧美人与动性xxxxx杂性| 最新高清无码专区| 久久精品国产9久久综合| 久久夜色精品国产噜噜亚洲av| 亚洲春色av无码专区在线播放| 国产内射爽爽大片| 日本韩国国产精品视频| 免费精品99久久国产综合精品|