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 carbonate?COA Report
  • CAS No.:513-77-9
  • Molecular weight:197.35
  • Aliases:Barium carbonate?
  • Molecular formula:BaCO3
  • UN Code:1564
  • EC No.:208-167-3
Information
Specification category:
Product No. Product Name Specification
1.03602.010 Barium carbonate? AR500g
1.03602.020 Barium carbonate? AR25kg
1.03602.030 Barium carbonate? CP500g
Characteristic: Appearance and properties: White orthorhombic crystal or powder.
Relative density: 4.43
Melting Point(℃): 1400
Boiling Point(℃): decomposition
Concentration: Pure
Solubility: insoluble in water, soluble in ether and chloroform.
Heat of combustion (kJ / mol): meaningless
Other Properties: 1450
Technical indicators:
Specification AR CP
Assay (BaCO3) ≥ 99.0% ≥ 98.5%
Clarity test 4 6
Hydrochloric acid insoluble matter ≤ 0.01% ≤ 0.05%
Alkalinity (to OH-meter), mmol/100g ≤ 0.2 ≤ 0.5
Chloride (Cl) ≤ 0.002% ≤ 0.01%
Sulfur (S) ≤ 0.0001% ≤ 0.0005%
Total nitrogen (N) ≤ 0.002% ≤ 0.005%
Calcium (Ca) ≤ 0.01% ≤ 0.03%
Iron (Fe) ≤ 0.0005% ≤ 0.0015%
Strontium (Sr) ≤ 0.1% ≤ 0.3%
Heavy metals (as Pb) ≤ 0.0005% ≤ 0.001%
Sulfuric acid does not precipitate ≤ 0.05% ≤ 0.2%
Hazard characteristics:

UN 1564 BARIUM COMPOUND,N.O.S.,6.1,Ⅲ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
精品国精品无码自拍自在线| 国产av精国产传媒| 红杏亚洲影院一区二区三区| 人妻无码中文字幕| 人人妻人人澡人人爽人人精品97 | 少妇高潮a视频| 精品国产一区二区三区久久久狼| 日本少妇xxx做受| 乱人伦人妻中文字幕无码| 日韩 无码 偷拍 中文字幕| 国产成人综合亚洲精品| 日本无码人妻一区二区色欲| 免费看国产黄线在线观看| 国产大屁股视频免费区| 草草影院精品一区二区三区 | 欧美牲交a欧美牲交aⅴ免费下载| 亚洲色欲色欲综合网站sw0060| 天天摸夜夜添久久精品| 亚洲一区爱区精品无码| 成人无码特黄特黄av片在线| 国产亚洲综合网曝门系列| 亚洲 欧美 日韩 综合aⅴ| 自拍偷自拍亚洲精品播放| 久久久久久国产精品免费免费| 亚洲精品av无码喷奶水糖心| 亚洲a成人无码网站在线| 亚洲国产高清在线一区二区三区| 日韩av片无码一区二区三区| 久久av高潮av无码av喷吹| 女人夜夜春精品a片| 亚洲香蕉中文日韩v日本| 日韩免费无码一区二区视频| 色先锋影音岛国av资源| 99国产精品国产精品九九| 婷婷综合久久中文字幕| 最新国内精品自在自线视频| 国产成人精品免费视频app软件| 在线麻豆精东9制片厂av影现网| 狠狠人妻久久久久久综合| 欧美特大特白屁股ass| 久久99精品国产99久久6|