中文字幕亚洲欧美日本懂色,亚洲视频一区在线色婷婷,天天干天天干天天日天天操,麻豆国产精品777777在线,欧美一区二区三区另,中文字幕丰满人妻日本了,熟妇人妻av中文字幕在线,最新福利免费视频一区二区,伊人少妇精品在线观看视频

SZSE:002741
Chemical Reagents
Lead(Ⅱ,Ⅳ) oxide redCOA Report
  • CAS No.:1314-41-6
  • Molecular weight:685.60
  • Aliases:Lead(Ⅱ,Ⅳ) oxide
  • Molecular formula:Pb3O4
  • UN Code:1479
  • EC No.:215-235-6
Information
Specification category:
Product No. Product name specifications
1.05500.010 Lead oxide(Ⅱ,Ⅳ) red AR500g
Characteristic: Appearance and properties: Orange powder or bulk solid.
Relative density: 9.1(water=1)(20℃)
Boiling point(℃):500(decomposition)
Concentration: Pure
Solubility: Insoluble in water.Soluble in hot alkaline solution,dilute nitric acid,acetic acid and hydrochloric acid.
Technical indicators:
Item AR CP
Assay (Pb3O4) ≥95.0% ≥90.0%
Clarity of solution Pass4 Pass6
Insoluble matter in nitric acid ≤0.05% ≤0.1%
Loss on drying ≤0.05% ≤0.1%
Chloride(Cl) ≤0.003% ≤0.01%
Not precipitated by H2S(as SO4) ≤0.5% ≤1.0%
Hazard characteristics:

IATA-DGR UN 1479 OXIDIZING SOLID,N.O.S.(ORANGE LEAD),5.1,Ⅱ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1