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
国产97人人超碰caoprom三级| 欧美xxxx做受欧美1314| av最新高清无码专区 | 久久久久久亚洲精品成人| 午夜精品久久久久久久久日韩欧美| 中文无码字幕中文有码字幕| 曰韩人妻无码一区二区三区综合部| 熟女少妇丰满一区二区| 小荡货奶真大水真多紧视频| 国产精品无码专区在线观看不卡 | 亚洲精品无码专区| 免费现黄频在线观看国产| 无码人妻一区二区三区免费看 | 久久综合精品国产一区二区三区无码 | 久久国产劲暴∨内射新川| 波多野结衣初尝黑人| 日韩国产成人无码av毛片蜜柚| 夜夜夜夜曰天天天天拍国产| 亚洲乱码日产一区三区| 国产成人无码精品久久久免费| 国产在线午夜不卡精品影院| 经典国产乱子伦精品视频| 久久人人做人人爽人人av| 亚洲免费观看视频| 人人妻人人爽人人爽| 国产精品午夜爆乳美女视频| 99爱在线精品视频免费观看| 久久国产超碰女女av| 国产av无码精品色午夜| 亚洲精品成人网站在线播放| 色猫咪av在线观看| 亚洲熟妇无码八v在线播放| 欧美精品一区二区在线观看播放| 亚洲在战av极品无码| 亚洲国产福利成人一区| 亚洲精品tv久久久久久久久j | 亚洲高清无码在线观看| 人妻少妇乱子伦精品无码专区电影| 亚洲精品无码久久久久av麻豆| 国产成本人片无码免费2020| 久久中文字幕无码一区二区|