青青青在线视频国产,亚洲熟妇无码一区二区三区,亚洲国产精品无码久久98,竹菊影视欧美日韩一区二区三区四区五区

SZSE:002741
Chemical Reagents
Magnesium hydroxide?COA Report
  • CAS No.:1309-42-8
  • Molecular weight:58.33
  • Aliases:Magnesium hydroxide?
  • Molecular formula:Mg(OH)2
  • EC No.:215-170-3
  • HS-No:28161000
Information
Specification category:
Product No. Product name specifications
1.03168.010 Magnesium hydroxide AR100g
Characteristic: Appearance and properties: White crystal or powder.
pH value: 9.5~10.5(H2O,aqueous suspension)
Relative density: 2.36(water=1)(20℃)
Melting point(℃): 350
Concentration: Pure
Solubility: Soluble in dilute sulfuric acid and ammonium salt solution.Almost insoluble in water(0.009g/L,18℃) and alcohol.
Technical indicators:
Item AR CP
Assay[Mg(OH)2] ≥98.0% ≥98.0%
Loss on ignition 30%~33% 30%~33%
Soluble matter in water ≤0.5% --
Insoluble matter in HCl ≤0.05% ≤0.1%
Chloride(Cl) ≤0.02% ≤0.05%
Nitrate(NO3) ≤0.02% ≤0.03%
Sulfate(SO4) ≤0.02% ≤0.2%
Iron(Fe) ≤0.002% ≤0.01%
Calcium(Ca) ≤0.002% ≤0.01%
Heavy metals(as Pb) ≤0.005% --
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲精品久久婷婷丁香51| 人妻少妇-嫩草影院| 日韩中文字幕在线一区二区三区| 性久久久久久| 成年av动漫网站18禁| 日韩精品内射视频免费观看| 国产精品无码av无码| 国产精品久久久久9999| 日日拍夜夜嗷嗷叫国产| 久久久久国产综合av天堂| 97精品国产97久久久久久免费 | 亚洲精品国产精品乱码不卡| 男女性爽大片视频| 精品国产sm捆绑最大网免费站| 无码人妻精品一二三区免费| 中文字幕肉感巨大的乳专区| 亚洲夜夜性无码| 色一情一乱一伦一区二区三欧美| 久久久99精品免费观看| 日本内射精品一区二区视频| 少妇裸交aa大片| 8888四色奇米在线观看| 搡女人真爽免费视频大全| 国产成人精品综合在线观看| 国产女人18毛片水真多18精品| 在线不卡av片免费观看| 国产av仑乱内谢| 美女视频黄频a美女大全| 久久久久亚洲精品男人的天堂| 亚洲夜夜性无码| 国产最新进精品视频| 国产精品无码一区二区三级| 一卡二卡三卡视频| 亚洲一区二区三区香蕉| 国产第19页精品| 成在人线av无码免费| 极品少妇被后入内射视| 日韩精品无码熟人妻视频| 免费特级黄毛片| 亚洲 中文字幕 日韩 无码| 国产精品亚洲一区二区三区喷水|