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
好紧好爽好湿别拔出来视频男男| 久久婷婷色综合五月天| 久久精品国产亚洲av嫖农村妇女| 日本不卡二区高清三区| 性色av蜜臀av色欲av| 大肉大捧一进一出好爽| 亚洲一区二区精品另类| 国产精品国产三级在线专区| 免费人成再在线观看网站| 伊人久久久精品区aaa片| 亚洲精品无码国产| 久久国产精品久久国产| 男女啪啪做爰高潮免费网站| 天干天干天啪啪夜爽爽99| 国产成人综合亚洲精品| 成人一区二区免费视频| 久久er99热精品一区二区| 亚洲av无码成人精品区| 女人高潮内射99精品| 人妻少妇久久久久久97人妻| 亚洲av无码兔费综合| 亚洲国产精品日本无码网站| 国精产品自偷自偷综合下载| 特级毛片在线大全免费播放| 国产毛多水多高潮高清| 久久亚洲精品无码播放| 国产白嫩护士被弄高潮| 久久精品国产精品国产精品污| 亚洲精品美女久久久久9999| 国产99在线 | 中文| 在线一区二区视频免费观看| 欧美乱大交xxxxx潮喷| 国产乱人伦AV在线麻豆A| 国产成人亚洲综合无码品善网 | 成人品视频观看在线| 国产欧美va欧美va香蕉在| 日本爽快片18禁免费看| 日本少妇春药特殊按摩3| 老湿机国产福利视频| 亚洲av无码一区二区二三区入口 | 久久精品国产精品亚洲艾草网|