久久99精品久久久久久hb亚瑟-免费看无码毛视频成片-99热这里只有精品免费播放-亚洲精品少妇高清30p-国产午夜福利精品久久2021

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
主站蜘蛛池模板: 少妇人妻综合久久中文字幕| 国产无遮挡无码很黄很污很刺激| 久久国产劲暴∨内射新川| 真实?交| 在线播放国产精品三级网| 99热在线观看| 两口子交换真实刺激高潮| 久久国产精品免费一区二区三区 | 曰批免费视频免费无码软件| 初尝人妻少妇中文字幕| 日产无码| 亚洲youwu永久无码精品| 东北老女人高潮大叫对白| 久久男人av资源网站| 中文在线无码高潮潮喷在线播放| 久久久久久人妻毛片a片| 四虎www永久在线精品| 少妇人妻综合久久中文| 三上悠亚在线精品二区| 国产成人精品123区免费视频| 中文字幕欧美人妻精品一区| 国产午夜福利久久精品| 国产精品自在线拍国产| 久久99er精品国产首页| 国产无遮挡又黄又大又爽| 蜜臀av一区二区| 玩弄少妇的肉体k8经典| 无码人妻丰满熟妇区五十路百度| 国产精品午夜视频自在拍| 中文字幕丰满乱子无码视频| 国产亚洲精品久久综合阿香 | 国产午夜福利不卡在线观看| 国产精品一品二区三区的使用体验| 亚洲日韩精品射精日| 中文无码人妻有码人妻中文字幕| 在线麻豆精东9制片厂av影现网 | 噜噜噜亚洲色成人网站∨| 99久久无色码中文字幕人妻| 成人精品一区二区三区在线观看| 粉嫩虎白女p虎白女在线| 性一交一乱一乱一视频|