国产人免费人成免费视频喷水|国产欧美一区二区色老头|在线看片网站,日韩一区免费在线观看,国产色av,96国产精品

SZSE:002741
Chemical Reagents
Lead(Ⅱ) oxide yellowCOA Report
  • CAS No.:1317-36-8
  • Molecular weight:223.19
  • Aliases:Lead(Ⅱ) oxide
  • Molecular formula:PbO
  • UN Code:2291
  • EC No.:215-267-0
  • HS-No:28241000
Information
Specification category:
Product No. Product name specifications
1.05501.016 Lead(Ⅱ) oxide yellow AR500g
Characteristic: Appearance and properties: Yellow or reddish yellow powder/tiny flaky crysta,change color in the light.
Relative density: 9.53(water=1)(20℃)
Melting point(℃): 888
Boiling point(℃):1470
Concentration/content: Industrial grade,first grade≥99.3%; second grade≥99.0%.
Solubility: Insoluble in water and ethanol.Soluble in nitric acid,acetic acid and hot alkaline solution.
Technical indicators:
Item AR CP
Assay[Pb(NO3)2] ≥99.0% ≥98.0%
Clarity of solution Pass Pass
Insoluble matter in acetic acid ≤0.03% ≤0.1%
Chloride(Cl) ≤0.003% ≤0.01%
Nitrate(NO3) ≤0.002% ≤0.005%
Iron(Fe) ≤0.001% ≤0.005%
Copper(Cu) ≤0.002% ≤0.005%
Not precipitate by H2S(as SO4) ≤0.2% ≤0.4%
Hazard characteristics:

IATA-DGR UN 2291 LEAD COMPOUND,SOLUBLE,N.O.S.,6.1,Ⅲ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 广饶县| 肃宁县| 民权县| 隆回县| 昌邑市| 松阳县| 页游| 宁阳县| 睢宁县| 玉环县| 治多县| 连江县| 娄底市| 喀喇| 曲阳县| 武夷山市| 榕江县| 临夏市| 涞水县| 惠州市| 三都| 仪征市| 基隆市| 镇平县| 丰原市| 长子县| 朔州市| 昌都县| 巴林右旗| 武邑县| 彩票| 达州市| 宝山区| 邹平县| 开化县| 堆龙德庆县| 阳原县| 秦皇岛市| 克拉玛依市| 阿巴嘎旗| 唐山市|