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
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
亚洲欧美中文日韩在线v日本| 99久久免费精品高清特色大片| a人片在线观看苍苍影院| 国产一区二区三区日韩精品| 国产精品va无码一区二区| 野花社区在线观看视频| 熟女体下毛毛黑森林| 色8久久人人97超碰香蕉987| 天天躁日日躁狠狠躁av| 精品久久久久久久久中文字幕| 性色av一区二区三区| 十八禁无遮挡99精品国产| 国精品无码人妻一区二区三区| 欧美寡妇xxxx黑人猛交| 亚洲自偷自偷偷色无码中文| 国产精品成人aaaaa网站| 玩弄人妻少妇500系列视频| 国产夫妇肉麻对白| 色悠久久久久久久综合网伊人| 美女扒开大腿让男人桶| 国产乱xxxxx97国语对白| 国产97色在线 | 亚洲| 国产区精品一区二区不卡中文| 国产精品毛片a∨一区二区三区| 亚洲乱码一区二区三区在线观看 | 极品av麻豆国产在线观看| 精品熟人妻一区二区三区四区不卡| 8x8ⅹ在线永久免费入口| 亚洲日韩一区精品射精| 97久久人人超碰国产精品| 久热这里只有精品视频6| 国产亚洲精久久久久久无码77777| 东京热无码av一区二区| 人妻aⅴ无码一区二区三区| 国产精品网站在线观看免费传媒| 日日噜噜夜夜狠狠久久丁香五月| 成人亚洲欧美成αⅴ人在线观看| 极品少妇的粉嫩小泬视频| 野外做受又硬又粗又大视频√| 自拍日韩亚洲一区在线| 欧美性猛交xxxx乱大交丰满|