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
亚洲第一狼人伊人av| 一出一进一爽一粗一大视频| 疯狂做受xxxx高潮不断| 女同av在线观看网站| 麻花传媒在线观看免费| 337人体做爰大胆视频| 久久99精品久久久久久久不卡| 国产成人手机高清在线观看网站| 狠狠躁18三区二区一区ai明星| 浴室人妻的情欲hd三级| 人妻少妇被粗大爽av| 久久久久亚洲av无码专区首| 午夜福利1000集在线观看 | 在线观看国产精品av| 欧美人与性动交g欧美精器| 久久99久久99精品中文字幕| 免费a级毛视频| 久热国产vs视频在线观看| 亚洲中文字幕无码久久| 又色又爽又黄的视频网站| 亚洲v国产v欧美v久久久久久| 亚洲欧美国产va在线播放| 丰满大爆乳波霸奶| 99热久久精里都是精品6| 欧洲美女黑人粗性暴交| 亚洲国产精品成人天堂| 日本中文字幕有码在线视频| 亚洲精品国产第一综合99久久| 久久se精品一区二区| 国产妇女馒头高清泬20p多| 国产在沙发上午睡被强| 精品人妻无码视频中文字幕一区二区三区 | 精品亚洲成a人片在线观看| 国产精品综合av一区二区国产馆| 成人亚洲性情网站www在线观看| 国产目拍亚洲精品二区| 无码av波多野结衣久久| 野花社区视频在线观看| 免费看a级肉片| 蜜臀av人妻国产精品建身房| 久久久国产精品粉嫩av|