成人网站免费观看,99e久热只有精品8在线直播,亚洲综合无码明星蕉在线视频,亚洲精品一区二区三区中文字幕

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
欧美噜噜久久久xxx| 亚洲AV无码成人精品区国产| 亚洲精品国产精品无码国模| 永久黄网站色视频免费看| 国色天香精品一卡2卡3卡4| 性欧美大战久久久久久久| 日本精品一区二区三区在线视频| 鲁大师影院在线观看| 亚洲中文久久久精品无码| 国内精品自国内精品66j影院| yy6080久久伦理一区二区| 国产 中文 亚洲 日韩 欧美| 一区二区三区av波多野结衣| 国产一区二区三区高清在线观看 | 国产性色av高清在线观看| 精品亚洲国产成人| 久久国产精品成人影院| 人妻换着玩又刺激又爽| 国产精品第一二三区久久蜜芽 | 亚洲熟妇丰满xxxxx国语| 人人妻一区二区三区| 秋霞无码av一区二区三区| 精品久久亚洲中文无码| 久久亚洲精品中文字幕一区| 精品97国产免费人成视频| 国产午夜福利短视频| 日本少妇三级hd激情在线观看| 成年轻人电影免费无码| 亚洲乱码国产乱码精品精大量| 日韩日韩日韩日韩日韩| 韩日午夜在线资源一区二区| 一边吃奶一边添p好爽故事| 小12国产萝裸体视频福利| 国产av熟女一区二区三区| 少妇人妻丰满做爰xxx| 久久久视频2019午夜福利| 国产亚洲精品综合一区| 亚洲一区二区三区日本久久九| 亚洲欧美国产双大乳头| 欧牲交a欧美牲交aⅴ| 宅男666在线永久免费观看|