无码日韩精品一区二区免费暖暖_日韩人妻无码精品久久_狂躁美女大bbbbbb视频u_亚洲精品一区二区三区在线观看_自拍偷自拍亚洲精品播放

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
亚洲国产日韩中文字幕| 久久久精品波多野结衣| 中文字幕精品无码一区二区三区| 天堂av在线男女av| 国产精品久久婷婷六月丁香| 久久zyz资源站无码中文动漫| 女女互磨互喷水高潮les呻吟| 熟女少妇丰满一区二区| 国产欧美久久久精品影院| 中文字幕天天躁日日躁狠狠躁免费| 国产爽爽视频一区二区| 久久一本加勒比波多野结衣| 久久久精品国产亚洲av日韩| 国产精品国产三级国产av创| 一本之道高清乱码久久久| 色偷偷av男人的天堂| 精品无码av一区二区三区| 中国女人内谢69xxxxxa片 | 亚洲av无码精品色午夜app | 四房播播开心五月| 国产精品爽爽久久久久久竹菊| 性做久久久久久久| 99久久综合狠狠综合久久| 日本狂喷奶水在线播放212| 又黄又爽又猛的视频免费| 免费国精产品wnw2544| 妓院一钑片免看黄大片| 国产精品久久久福利| 国产成人+亚洲欧洲+综合| 久久强奷乱码老熟女网站| 久久精品亚洲综合专区| 吃奶揉捏奶头高潮视频| 久久精品网站免费观看| 香港三级日本三级妇三级| 国产精品人妻一码二码| 一本一本久久a久久综合精品蜜桃| 久久久久久亚洲av无码精品专口| 在线看片人成视频免费无遮挡| 一本一本久久a久久精品综合麻豆 久久久久久亚洲精品中文字幕 | 暴力调教一区二区三区| 熟睡人妻被讨厌的公侵犯深田咏美|