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 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
高h纯肉大尺度调教play| 亚洲国产成人精品福利在线观看| 精品久久久久久无码人妻| 亚洲欧洲自拍拍偷午夜色 | 精品国产美女av久久久久| 97久久精品人妻人人搡人人玩| 玖玖资源站最稳定网址| 中文无码精品一区二区三区| 米奇欧美777四色影视在线| 午夜福利国产精品久久| 免费人妻无码不卡中文字幕系| 欧美日韩国产免费一区二区三区| 亚洲热线99精品视频| 噜妇插内射精品| 亚洲精品综合一区二区三| 成人性生交大片免费看r链接| 51久久夜色精品国产水果派解说| 精品无码久久久久国产电影| 久久久久亚洲精品男人的天堂| 国产精品视频一区二区亚瑟| 亚洲va中文字幕不卡无码| 国产女人精品视频国产灰线| 欧美成人一区二区三区在线视频| 人妻大战黑人白浆狂泄| 久久av无码精品人妻糸列| 亚洲国产欧美中文丝袜日韩| 亚洲国产精品无码久久久高潮| a在线亚洲高清片成人网| 2020精品自拍视频曝光| 久久国产精品久久喷水| 亚洲另类欧美综合久久图片区 | 亚洲国产品综合人成综合网站| 亚洲不卡av一区二区三区| 国产成人愉拍精品| 97精品人妻系列无码人妻| 欧美日韩人妻精品一区二区三区| 日韩av免费无码一区二区三区 | 无码午夜福利片| 欧美xxxxx性喷潮| 欧美激情性xxxxx高清真| 久久午夜伦鲁片免费无码|