真实国产乱人伦精品视频|国产区图片区小说区亚洲区|人妻少妇精品视频一区二区三区|一道本不卡免费一区二区三区|

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

Calcium fluoride
Molecular formula CaF2
Molecular weight 78.07
CAS    NO 7789-75-5
Characters White powder
Use Used as metallurgy flux and activator for dehydration.
Specification Special grade,analytically pure , chemically pure
Executive standard HGB 3210-60
Technical index
Name
Special grade(%)
Analytically pure (%)
Chemically pure(%)
Content
≥99.0
≥98.5
Sulfate(SO4)
≤0.02
≤0.05
≤0.15
Chloride(Cl)
≤0.005
≤0.01
≤0.02
Ferrum(Fe)
≤0.003
≤0.003
≤0.025
Plumbum(Pb)
≤0.003
≤0.003
≤0.01
Nitrogenous compound(N)
≤0.01
≤0.005
≤0.02
Losses on
≤2.0(loss on drying)
≤0.4(105°C)
Carbonate(CO3)
qualified
qualified
Silicon(Si) ≤0.01 ≤0.01 ≤0.04
Packing 500kg for bottle packing40kg 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
英山县| 堆龙德庆县| 黎平县| 凯里市| 平陆县| 绥化市| 揭东县| 浦北县| 蒙城县| 鲁山县| 柳州市| 静宁县| 宁南县| 邵阳市| 江永县| 新蔡县| 门源| 江安县| 丹东市| 辰溪县| 六枝特区| 安福县| 隆尧县| 东方市| 灵台县| 洞头县| 舟山市| 通山县| 韶山市| 海口市| 德安县| 贡嘎县| 巩留县| 温泉县| 武鸣县| 高雄县| 晋中市| 嘉兴市| 乌兰浩特市| 射阳县| 麻栗坡县|