青青青在线视频国产,亚洲熟妇无码一区二区三区,亚洲国产精品无码久久98,竹菊影视欧美日韩一区二区三区四区五区

SZSE:002741
Chemical Reagents
Potassium acetateCOA Report
  • CAS No.:127-08-2
  • Molecular weight:98.15
  • Aliases:Potassium acetate?
  • Molecular formula:CH3COOK
  • EC No.:204-822-2
  • HS-No:29152900
Information
Specification category:
Product No. Product name specifications
1.01730.010 Potassium acetate AR500g
1.01730.020 Potassium acetate CP500g
1.01730.040 Potassium acetate CP25kg/Sack
1.01730.050 Potassium acetate AR25kg/Drum
1.01730.060 Potassium acetate Spec25kg
Characteristic: Appearance and properties: White solid with weak acid taste.
pH value: 7.5~8.5(50g/L H2O,20℃)
Melting point(℃): 292
Bulk density(kg/m3): 500
Density(g/cm3): 1.57(20℃)
Flash point(℃): >250
Solubility: Soluble in water(2530g/L,20℃),miscible with ethanol,insoluble in ether.
Technical indicators:
Item AR CP
Assay(CH3COOK) ≥95.0% ≥92.0%
pH-value(50g/L solution,25℃) 7.0~9.0 7.0~9.0
Clarity of solution pass3 pass5
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfate(SO4) ≤0.002% ≤0.005%
Phosphate(PO4) ≤0.002% ≤0.005%
Sodium(Na) ≤0.2% ≤0.5%
Magnesium(Mg) ≤0.001% ≤0.005%
Calcium(Ca) ≤0.005% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy Iron(as Pb) ≤0.0005% ≤0.001%
Substances reducing potassium permanganate Pass Pass
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
疯狂添女人下部视频免费| 精品无人国产偷自产在线| 丰满人妻一区二区三区无码av| 丰满人妻精品国产99aⅴ| 无码人妻一区二区三区免费| 中文字幕一精品亚洲无线一区| 中文字幕 制服 亚洲 另类| 亚洲精品久久久久高潮| 婷婷五月深深久久精品| 精品亚洲成a人在线观看| 国产特级毛片aaaaaa毛片| 大陆国产乱人伦| 欧美在线 | 亚洲| 欧美一区二区三区性视频| 永久黄网站色视频免费看| 国产情侣久久久久aⅴ免费| 国产精品美女www爽爽爽视频| 亚洲人成无码网站在线观看| 兔费看少妇性l交大片免费| 午夜视频在线瓜伦| 老太婆性杂交欧美肥老太| 亚洲老妇色熟女老太| 久久久久国产精品| 粗大的内捧猛烈进出| 中文字幕 人妻熟女| 欧美亚洲色综久久精品国产| 国产精品视频永久免费播放| 成人天堂婷婷青青视频在线观看| 亚洲国产激情五月色丁香小说 | 中文字幕久无码免费久久| 亚洲精品白浆高清久久久久久| 2021无码最新国产在线观看| 少妇av射精精品蜜桃专区| 色猫咪av在线网址| 亚洲中文字幕无码永久在线 | 亚洲国产美女精品久久久久∴| 国产亚洲精品aaaa片app| 国产网红无码精品视频| 色综合久久久无码网中文| 年轻漂亮的人妻被公侵犯bd免费版| 日韩人妻无码精品久久免费一 |