亚洲成人av_不卡av片_人妻巨大乳hd免费看_黄色小说内容_三级视频片_av网站网址_为爱搞激情_色九区_性姿势伦理未删减版_www狠狠_秋葵视频成人_久操热久操_日本网站在线看_久草网在线_狠狠做

SZSE:002741
Chemical Reagents
Potassium fluoride dihydrate COA 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
主站蜘蛛池模板: 望谟县| 石景山区| 汶川县| 资源县| 通辽市| 赤水市| 洪洞县| 德安县| 马尔康县| 嘉荫县| 林芝县| 昔阳县| 长兴县| 珠海市| 施甸县| 江华| 大厂| 丽水市| 南雄市| 罗定市| 大英县| 毕节市| 叶城县| 绥德县| 兰州市| 嵩明县| 大新县| 恩施市| 浠水县| 临颍县| 衡阳县| 莒南县| 分宜县| 台安县| 贡山| 察隅县| 淮阳县| 亳州市| 彰武县| 嵩明县| 东阿县|