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 sulfate?COA Report
  • CAS No.:7727-43-7
  • Molecular weight:233.40
  • Aliases:Barium sulfate?
  • Molecular formula:BaSO4
  • EC No.:231-784-4
Information
Specification category:
Product No. Product Name Specification
1.03604.010 Barium sulfate? AR500g
1.03604.020 Barium sulfate? CP500g
1.03604.030 Barium sulfate? AR25kg
Characteristic: Appearance and properties: White orthorhombic crystals.
Relative density: 4.50 (15 ℃)
Melting Point(℃): 1580
Boiling Point(℃): Not available Concentration: Pure
Vapor pressure: Not available Solubility: insoluble in water, soluble in acid.
Heat of combustion (kJ / mol): meaningless
Technical indicators:
Specification AR CP
Hydrochloric acid soluble matter ≤ 0.15% ≤ 0.25%
Loss on ignition ≤ 1.5% ≤ 1.5%
Chloride (Cl) ≤ 0.005% ≤ 0.02%
Soluble Sulfate (as SO4) ≤ 0.005% ≤ 0.03%
Total nitrogen (N) ≤ 0.005% ≤ 0.01%
Iron (Fe) ≤ 0.0005% ≤ 0.001%
Arsenic (As) ≤ 0.0001% ≤ 0.001%
Soluble barium salt (in Ba meter) ≤ 0.0001% ≤ 0.0005%
Heavy metals (as Pb) ≤ 0.0005% ≤ 0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产精品久久久天天影视| 天天躁日日躁狠狠很躁| 隔壁人妻偷人bd中字| 国产av天堂无码一区二区三区| 国产肉体xxxx裸体137大胆| 蜜臀aⅴ国产精品久久久国产老师| 国产午夜福利视频在线观看| 动漫av网站免费观看| 成人三级a视频在线观看| 精品久久久久久无码专区| 日韩精品区一区二区三vr | 国产男女爽爽爽免费视频 | 一本一本久久a久久精品综合| 好爽好黄的视频| 拍真实国产伦偷精品| 日本公妇在线观看中文版| 亚洲av无码国产综合专区| av人摸人人人澡人人超碰小说| 精品深夜av无码一区二区| 人妻精品久久久久中文字幕69| 人妻 日韩精品 中文字幕| 天天碰免费上传视频| 久久婷婷五月综合色精品 | 国产精品夜色一区二区三区| 天堂草原电视剧在线观看图片高清| 夜夜爽日日澡人人添| 精品偷自拍另类在线观看| 无码av波多野结衣久久| 麻豆av一区二区三区| 伊人久久大香线蕉无码| 无套内射极品少妇chinese| 亚洲人成绝费网站色www| 性大毛片视频| 国产成人a人亚洲精品无码| 久久精品国产久精国产果冻传媒| 国产乡下妇女做爰| 久久影院午夜理论片无码| 爽爽影院免费观看| 亚洲人成网站18禁止人| 亚洲欧洲日产国码久在线| 性生交大片免费看l|