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
Magnesium sulfate?heptahydrateCOA Report
  • CAS No.:10034-99-8
  • Molecular weight:246.48
  • Aliases:Bitter salt,sulfuric acid magnesium salt heptahydrate
  • Molecular formula:MgSO4·7H2O
  • EC No.:231-298-2
  • HS-No:28332100
Information
Specification category:
Product No. Product name specifications
1.03107.010 Magnesium sulfate?heptahydrate AR500g
1.03107.020 Magnesium sulfate?heptahydrate CP500g
1.03107.040 Magnesium sulfate?heptahydrate AR25kg
1.03107.050 Magnesium sulfate?heptahydrate CP25kg
1.03107.060 Magnesium sulfate?heptahydrate AR25kg
1.03107.070 Magnesium sulfate?heptahydrate Spec25kg
Characteristic: Appearance and properties: White powder.
Relative density: 2.66(water=1)(20℃)
Melting point(℃): 1124(decomposition)
Solubility: Soluble in water,ethanol and glycerol.
Technical indicators:
Item AR CP
Assay(MgSO4?7H2O) ≥99.0% ≥99.0%
pH-value 5.0~8.0 5.0~8.0
Clarity of solution Pass4 Pass6
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.0005% ≤0.001%
Arsenic(As) ≤0.0001% ≤0.0002%
Sodium(Na) ≤0.005% ≤0.05%
Calcium(Ca) ≤0.02% ≤0.05%
Manganese(Mn) ≤0.001% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
成人伊人精品色xxxx视频| 中文字幕亚洲无线码| 性色av无码不卡中文字幕| 国产真实露脸乱子伦| 欧美牲交a欧美牲交aⅴ久久| 国产在线无遮挡免费观看| 亚洲中文久久精品无码ww16| 久久精品伊人波多野结衣| 久久午夜福利电影| 特级做a爰片毛片免费看| 亚洲av无码男人的天堂在线| 四川少妇被弄到高潮| 国产日产欧产美| 国产偷自视频区视频| 国产成人无码精品亚洲| 国产精品导航一区二区| 日韩中文字幕在线乱码| 男人把女人桶到爽免费应用| 精品国产乱码久久久久软件| 久热这里只有精品视频6| 国产成人无码精品久久二区三区| 国产熟妇按摩3p高潮大叫| 国产成人a在线观看视频免费| 亚洲欧洲中文日韩av乱码| a级毛片免费观看片| 亚洲av无码国产永久播放蜜芽| 无码国产精品一区二区免费式影视| 亚洲国产成人精品无码区在线观看| 小妖精又紧又湿高潮h视频69| av深夜免费在线观看| 亚洲春色在线视频| 久久婷婷五月综合色奶水99啪| 一本色道婷婷久久欧美| 天堂а√在线最新版中文在线| 久久性爱视频| 久久99热狠狠色精品一区| 精品乱人伦一区二区三区| 欧美一本大道香蕉综合视频| 日本欧美大码a在线观看| 亚洲精品宾馆在线精品酒店| 国产精品久久久久久无码|