在线观看国产亚洲|亚洲人人夜夜澡人人爽|亚洲AV无码专区在线|免费国产a国产片高清不卡|国产美女久久精品香蕉69|在线亚洲精品国产一区麻豆|成人午夜精品无码区久久蜜臀|大陆极品少妇内射AAAAAA

>> Tel : +86-936-4458369
>> Mobile : +86-13812304408  
                     +86-13776461818 
>> E-mail : sales@tongshichem.com
                     384922761@qq.com

Ammonium silicofluoride
Molecular formula (NH4)2SiF6
Molecular weight 178.15
CAS    NO 16919-19-0
Characters Colorless crystal powder
Use Used for carving, pesticide and hot welding flux.
Specification Analytically pure , chemically pure
Executive standard Enterprise standard
Technical index
Name
Analytically pure (%)
Chemically pure(%)
Water solubility
qualified
qualified
Chloride(Cl)
≤0.005
≤0.02
Sulfate(SO4)
≤0.01
≤0.05
Carbonate(CO3)
≤0.01
—
Free acid
≤0.5
—
Heavy metal(Pb)
≤0.005
≤0.01
Ferrum(Fe)
≤0.005
≤0.01
Packing 500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing
【Back】
Home | About us | Product | News | Quality | Culture | Order | Contact us | 中文版
Copyright(C)2015, Gansu Tongshi Technology Co., Ltd.(Suqian Tongshi Reagent Co.,Ltd.) All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice
宜都市| 肇州县| 临朐县| 通河县| 利辛县| 桃江县| 青浦区| 图木舒克市| 独山县| 新干县| 宜昌市| 额济纳旗| 沙河市| 正镶白旗| 教育| 威信县| 衡东县| 常山县| 河北省| 昔阳县| 通江县| 仪征市| 南京市| 客服| 枣强县| 鄂温| 桐城市| 蒙阴县| 定边县| 海城市| 安丘市| 广州市| 改则县| 鄂托克旗| 万安县| 安龙县| 塘沽区| 桦甸市| 宿州市| 眉山市| 文登市|