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
Barium hydroxide?octahydrateCOA Report
  • CAS No.：12230-71-6
  • Molecular weight：315.46
  • Aliases：Barium hydroxide
  • Molecular formula：Ba(OH)2.8(H2O)
  • UN Code：2923
  • EC No.：241-234-5
Information
Specification category：
Product No. Product Name Specification
1.03675.016 Barium hydroxide?octahydrate AR500g
1.03675.026 Barium hydroxide?octahydrate CP500g
1.03675.036 Barium hydroxide?octahydrate CP25kg
1.03675.056 Barium hydroxide?octahydrate CP25kg
Characteristic： Appearance and propertie: white powder.
Relative density: 4.5
Melting Point(℃): 408
Concentration: Content: Industrial grade level ≥ 98.0%; two ≥ 96.0%; specific level 97.0%.
Solubility: soluble in water, ethanol, soluble in dilute acid.
Heat of combustion (kJ / mol): meaningless
Critical temperature (℃): meaningless
Critical pressure (MPa): meaningless
Technical indicators：
Specification AR CP
Assay [Ba (OH) 2.8 H2O] ≥ 98.0% ≥ 97.0%
Barium content (BaCO3) ≤ 1.0% ≤ 2.0%
Clarity test 3 5
Hydrochloric acid insoluble matter ≤ 0.005% ≤ 0.05%
Chloride (Cl) ≤ 0.003% ≤ 0.02%
Sulfur (S) ≤ 0.0002% ≤ 0.001%
Calcium (Ca) ≤ 0.02% ≤ 0.05%
Iron (Fe) ≤ 0.001% ≤ 0.005%
Strontium (Sr) ≤ 0.08% ≤ 0.15%
Lead (Pb) ≤ 0.001% ≤ 0.002%
Sulfuric acid does not precipitate ≤ 0.02% ≤ 0.05%
Hazard characteristics：

UN 2923 CORROSIVE SOLID, TOXIC, N.O.S.(BARIUM HYDROXIDE),8(6.1),Ⅱ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲va精品va国产va| 久久亚洲私人国产精品va| 亚洲av无码国产精品草莓在线| 丰满少妇女人A毛片视频| 女人被狂躁c到高潮喷水一区二区| 亚洲精品天堂成人片av在线播放| 亚洲 欧美 综合 另类 中字| 国产精品一线二线三线| 欧美丰满大乳高跟鞋| 久久综合久久综合九色| 久久国产精品久久国产| 免费永久在线观看黄网站| 亚洲精品毛片免费观看| 久久99精品国产99久久6尤物| 国产精品国产三级国产专播| 国产人妻鲁鲁一区二区| 国产精品激情av久久久青桔| 亚洲精品无码久久久久久久| 亚洲av无码成人精品区在线观看| 国产a国产片国产| 亚洲日韩精品欧美一区二区一| 五月花成人网| 999久久久国产精品| 久久精品无码精品免费专区| 久久天天躁狠狠躁夜夜av浪潮 | 国产三级aⅴ在在线观看| 国产伦精品免编号公布| 国产青草视频在线观看| 在线免费不卡av网站一区| 国产∨亚洲v天堂无码久久久| 亚洲精品综合av天堂| 日日躁夜夜躁狠狠久久av | 狠狠躁夜夜躁人人爽天天不卡 | 日本嫩交12一16xxx视频| 精品人妻潮喷久久久又裸又黄| 亚洲一区二区三区偷拍女厕| 无码欧亚熟妇人妻AV在线外遇| 久久久精品久久久久久96| 人人妻人人澡人人爽欧美一区 | 婷婷色怡春院| 超清纯白嫩大学生无码网站|