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

Sodium hydrogenfluoride
Molecular formula NaHF2
Molecular weight 61.99
CAS    NO 1333-83-1
Characters White crystal powder
Use Used as antiseptic, flux,etc.
Specification Analytically pure , chemically pure
Executive standard Enterprise standard
Technical index
Name
Analytically pure (%)
Chemically pure(%)
Content
≥98.50
≥97.0
Chloride(Cl)
≤0.005
≤0.01
Sulfate(SO4)
≤0.02
≤0.05
sulfite(SO3)
≤0.005
≤0.01
Fluosilicate (Na2SiF6)
≤0.2
≤0.5
Heavy metal(Pb)
≤0.002
≤0.005
Ferrum(Fe)
≤0.002
≤0.005
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