人人湿人人乐99,久久久久久久久久网站,成人 国产 另类,日韩国产白浆露出,一人香蕉尹人一线网站,亚洲第一在线一区,青青草视频在线1区,色播插久久,亚洲精品五码视频

SZSE:002741
Chemical Reagents
Lead(Ⅱ) chromate COA Report
  • CAS No.:7758-97-6
  • Molecular weight:323.18
  • Aliases:Lead chromate
  • Molecular formula:PbCrO4
  • UN Code:2291
  • EC No.:231-846-0
  • HS-No:28415000
Information
Specification category:
Product No. Product name specifications
1.05420.010 Lead(Ⅱ) chromate AR500g
Characteristic: Appearance and properties: Yellow or orange powder.
Relative density: 6.3(water=1)(20℃)
Melting point(℃): 844
Concentration: Pure
Solubility: Soluble in alkaline solution and inorganic acid.Insoluble in water and oil.
Technical indicators:
Item AR CP
Assay(PbCrO4) ≥99.0% ≥98.0%
Nitrate(NO3) ≤0.002% ≤0.005%
Carbon compounds(as CO3) ≤0.03% ≤0.1%
Insoluble matter ≤0.2% ≤0.5%
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
宁远县| 周至县| 营山县| 离岛区| 沅江市| 汝城县| 民和| 关岭| 洪湖市| 银川市| 汤阴县| 河北区| 奉新县| 静海县| 登封市| 普安县| 民乐县| 通山县| 保康县| 丹阳市| 花莲县| 科技| 阿拉善左旗| 子洲县| 临沂市| 德阳市| 阿拉善右旗| 拉萨市| 武定县| 新乐市| 嘉祥县| 大冶市| 内黄县| 杭锦后旗| 南阳市| 永善县| 鱼台县| 资中县| 常德市| 土默特右旗| 仙居县|