99成人免费视频,高中小鲜肉自慰Gay免费,免费人成视频x8x8入口,最近高清中文在线字幕观看,两个人看的www高清视频,韩国精品一区视频在线播放,中国少妇内射xxxx狠干,高清不卡二卡三卡四卡无卡,中文字幕av制服丝袜电影,在线播放免费人成视频无码

Molecular Formula:  Na₄P₂O₇; Na₄P₂O₇.10H₂O
Molecular Weight: 265.90; 446.10
CAS NO.: 7722-88-5(Anhydrous);13472-36-1(Decahydrate)
Standard executed: HG/T 2968-2009 
Appearance: white powder or crystal
Application: Used in detergent, fine bleaching auxiliaries, water treatment agents and electroplating auxiliaries.
Packing: 25kg, 50kg bag; Container ton bag; Customer requirements.
Technical indicator: HG/T 2968-2009

Specification