被两个男摁住玩弄尿孔的视频|《被按摩的人妻4》BD高清完整版|娇妻互换被高潮了三次|荫蒂每天被三个男人添|边做饭边被躁我和邻居的视频|巜被部长玩弄的人妻

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
欢迎光临: 栾城县| 巴里| 乌海市| 大港区| 清原| 宁强县| 弥勒县| 郧西县| 应用必备| 安新县| 耿马| 贵州省| 济源市| 广德县| 舟曲县| 白玉县| 余江县| 尚义县| 开原市| 萨迦县| 滕州市| 台南县| 咸丰县| 贡山| 寻乌县| 河间市| 松滋市| 尼勒克县| 临湘市| 巴林左旗| 隆昌县| 清水河县| 汝州市| 永修县| 盐池县| 青阳县| 岳阳县| 易门县| 沧州市| 额济纳旗| 周宁县|