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
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
妺妺窝人体色www聚色窝| 午夜福利影院私人爽爽| 国产成人亚洲综合网站| 国产亚洲精品合集久久久久| 国产精品va无码免费| 熟妇人妻无乱码中文字幕真矢织江| 狠狠色丁香久久婷婷综| 久久久国产一区二区三区四区小说 | aⅴ一区二区三区无卡无码| 中国女人内谢69xxxx| 久久视频在线观看精品| 蜜臀精品国产高清在线观看| 亚洲中文字幕久久精品无码app| 国产精品人成电影在线观看| 欧美日本国产va高清cabal| 亚洲欧美日韩v在线播放| 自拍校园亚洲欧美另类| 无遮挡又黄又刺激的视频| 成人免费b2b网站大全在线| 亚洲精品揄拍自拍首页一| 精品国产亚洲一区二区三区| 免费看成人午夜福利专区| 爆爽久久久一区二区又大又黄又嫩| 中国丰满熟妇xxxx性| 久久www免费人成一看片| 中文字幕无码一区二区免费| 18以下不能看的色禁网站| 亚洲欧美日韩视频高清专区| 精品亚洲成a人片在线观看少妇| 精品国精品自拍自在线| 婷婷五月婷婷五月| 裸体美女无遮挡免费网站| 日韩免费一区二区三区高清| 国产成人亚洲精品无码青 | 人妻丰满熟妇av无码区免| 亚洲男人的天堂www| 久久婷婷六月综合色液啪| 亚洲色欲色欲www| 久久大香香蕉国产免费网vrr| 亚洲夜夜欢a∨一区二区三区| 999久久免费精品国产|