在线无码一区二区三区不卡|国产精品爽爽久久久久久竹菊|中文字幕在线无码一区二区三区|中文字幕精品无码一区二区

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
老妇肥熟凸凹丰满刺激| 黑森林福利视频导航| 小sao货水好多真紧h无码视频| 国产女人高潮视频在线观看| 久久久久波多野结衣高潮| 欧洲一区二区三区黄色| 久久无码高潮喷水| 久久人妻少妇嫩草av| 亚洲av久久精品狠狠爱av| 欧美日韩无套内射另类| 亚洲国产精品久久久久久无码 | 疯狂做受xxxx高潮视频免费| 性色av闺蜜一区二区三区| 精品久久久久久久久久中文字幕| 香蕉久久一区二区不卡无毒影院| 精品动漫一区二区无遮挡| 人人草人人做人人爱| 在线一区二区中文字幕| 人妻少妇久久中文字幕| 亚洲va在线播放一区| 精品一卡二卡三卡| 精品久久中文字幕五十路人妻 | 国产激情一区二区三区| 久久亚洲精品成人无码网站| 欧美性生恔xxxxxdddd| 日韩精品无码一区二区三区久久久 | 久久99国产综合精品女同| 男ji大巴进入女人的视频| 国产亚洲精久久久久久无码| 亚洲精品无人区| 国产一区二区在线影院| 日韩欧群交p片内射中文| 无码喷潮a片无码高潮| 亚洲国产精品无码久久久秋霞1| 无码人妻av免费一区二区三区| 少妇厨房愉情理伦片免费| 日本人妻丰满熟妇久久久久久| 亚洲欧美精品午睡沙发| 精品无吗国产一区二区三区av| 四虎影视久久久免费观看| 午夜性又黄又爽免费看尤物|