无码日韩精品一区二区免费暖暖_日韩人妻无码精品久久_狂躁美女大bbbbbb视频u_亚洲精品一区二区三区在线观看_自拍偷自拍亚洲精品播放

SZSE:002741
Chemical Reagents
Potassium fluoride dihydrateCOA Report
  • CAS No.:7789-23-3
  • Molecular weight:58.10
  • Molecular formula:KF
  • UN Code:1812
  • EC No.:232-151-5
  • HS-No:28261990
Information
Specification category:
Product No. Product name specifications
1.01703.016 Potassium fluoride dihydrate AR500g
1.01703.046 Potassium fluoride dihydrate AR25kg/Sack
1.01703.056 Potassium fluoride dihydrate AR25kg/drum
Characteristic: Appearance and properties: Colourless cube crystal, deliquescent.
Relative density?(water=1): 2.48
Melting point(℃): 858
Boiling point(℃): 1505
Concentration: assay: technical grade ≥95.0%.
Saturated vapor pressure: 133.3Pa(885℃)
Solubility: Soluble in water、 hydrofluoric acid、liquid ammonia ,Dissolved?in ethanol.
Technical indicators:
Item AR CP Assay(KF?2H2O) ≥99.0% ≥98.0% Clarity of solution pass3 pass5 Free acid(as HF) ≤0.05% ≤0.1% Free alkali(as KOH) ≤0.05% ≤0.1% Chloride(Cl) ≤0.002% ≤0.005% Sulfate(SO4) ≤0.01% ≤0.02% Silicofluoride(as SiF4) ≤0.05% ≤0.1% Iron(Fe) ≤0.0005% ≤0.001% Heavy metals(as Pb) ≤0.001% ≤0.005%
Hazard characteristics:

IATA-DGR UN 1812 POTASSIUM FLUORIDE,SOLID,6.1,III

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
99精品国产高清一区二区| 高清同性男毛片| 亚洲精品久久婷婷丁香51| 亚洲最大成人网色| 国精产品一品二品国精在线观看| 麻豆一二三区精品蜜桃| 国产精品视频永久免费播放 | 国产精品国产三级网站| 国产乱人伦在线播放| 午夜福利理论片在线观看| 久久青青草原精品国产| 乱子伦一区二区三区| 波多野结衣乳巨码无在线观看 | 亚洲爆乳精品无码AAA片| 国偷自产视频一区二区久| 久久人人爽人人爽人人av东京热| 天堂…中文在线最新版在线| 久久99国产精品久久99果冻传媒| 夜夜爱夜鲁夜鲁很鲁| 亚洲午夜无码毛片av久久京东热| 欧美v国产v亚洲v日韩九九| 欧美丰满熟妇bbbbbb百度| 久久99精品国产一区| 电影内射视频免费观看| 东京热人妻中文无码av| 国产美女高潮流白浆免费观看| 中文字幕av无码一区二区三区| 亚洲国产精品18久久久久久| 毛片无码免费无码播放| 国产一区二区三区在线电影| 亚洲中文字幕无码久久2017| 中文精品无码中文字幕无码专区| 精品人妻无码一区二区三区| 99国产精品久久久久久久日本竹| 国内精品伊人久久久久影院对白 | 色综合色狠狠天天综合色| 无码一区二区| 精品国精品自拍自在线| 色欲久久综合亚洲精品蜜桃| 狠狠人妻久久久久久综合| 国产三级做爰在线播放|