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
Iron(II) sulfate?heptahydrateCOA Report
  • CAS No.: 7782-63-0
  • Molecular weight:278.02
  • Molecular formula:FeSO4?7H2O
  • EC No.:231-753-5
  • HS-No:28332980
Information
Specification category:
Product No. Product name specifications
1.11165.010 Iron(II) sulfate?heptahydrate AR500g
1.11165.040 Iron(II) sulfate?heptahydrate CP500g
1.11165.060 Iron(II) sulfate?heptahydrate AR25kg
1.11165.070 Iron(II) sulfate?heptahydrate CP25kg
1.11165.130 Iron(II) sulfate?heptahydrate CP25㎏
1.11165.150 Iron(II) sulfate?heptahydrate Spec25kg
1.11165.160 Iron(II) sulfate?heptahydrate AR25kg
1.11165.170 Iron(II) sulfate?heptahydrate AR500g
1.11165.200 Iron(II) sulfate?heptahydrate AR5kg×10
Characteristic: Appearance and properties:Blue green monoclinic crystal.
Relative density: 1.897 (15 ℃)
Melting point(℃): 64 (-3H2O)
Solubility: soluble in water, glycerin, insoluble in ethanol.
Technical indicators:
Item AR CP
Assay 99.0%~101.0% 98.0%~101.0%
Insoluble matter in water ≤0.005% ≤0.02%
Chloride(Cl) ≤0.001% ≤0.005%
Total nitrogen(N) ≤0.001% --
Phosphate(PO4) ≤0.0005% ≤0.002%
Arsenic(As) ≤0.0002% ≤0.0002%
Manganese(Mn) ≤0.05% --
Ferric(Fe(III)) ≤0.02% ≤0.10%
Copper(Cu) ≤0.002% ≤0.01%
Zinc(Zn) ≤0.005% ≤0.02%
Lead(Pb) ≤0.002%v≤0.005%
Substance not deposit in ammonia(as SO4) ≤0.05% ≤0.2%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
欧美成人精品一区二区综合a片| 国产精品久久午夜夜伦鲁鲁| 精品麻豆丝袜高跟鞋av| 亚洲色 国产 欧美 日韩| 朝鲜女子内射杂交bbw| 成人av久久一区二区三区| 肥臀浪妇太爽了快点再快点| 国产成人精品日本亚洲11| 精品成人免费自拍视频| 欧美亚洲亚洲日韩在线影院| 免费无码又爽又刺激激情视频| 1313午夜精品理论片| 7777久久亚洲中文字幕蜜桃| 亚洲精品成人老司机影视| 亚洲2019av无码网站在线| 性生大片免费观看668| 亚洲色欲色欲www在线丝| 中文字幕人成无码人妻| 天天弄天天模| 国产又色又爽无遮挡免费软件| 美女国产毛片a区内射| 99精品国产99久久久久久97| 久久亚洲精品综合国产仙踪林| 欧美激情在线播放| 国产精品美女久久久网av| 麻豆国产97在线 | 欧美| 久久香蕉国产线看观看精品yw| 日日碰狠狠添天天爽不卡| 国产成人a人亚洲精品无码| 无码成人网站视频免费看| 西西4444www大胆无码| 国产成人拍精品视频午夜网站 | 久久99精品久久久久久不卡| 色欲av无码一区二区三区| 亚洲午夜精品久久久久久app| 国产精品白浆精子像水合集| 久久精品国产久精国产爱 | 午夜片无码区私人影院| 亚洲自偷自偷在线成人网站传媒| 久久人人爽av亚洲精品天堂| 丰满少妇高潮惨叫正在播放|