亚洲a级在线观看|夫妇交换性3中文字幕|在线看片网站,欧美激情狂野,91视频社区,精品电影一区二区三区

SZSE:002741
Chemical Reagents
Zinc chlorideCOA Report
  • CAS No.:7646-85-7
  • Molecular weight:136.28
  • Aliases:Zinc chloride
  • Molecular formula:ZnCl2
  • UN Code:2331
  • EC No.:231-592-0
  • HS-No:28273985
Information
Specification category:
Product No. Product name specifications
1.09430.018 Zinc chloride AR500g
1.09430.028 Zinc chloride CP500g
1.09430.038 Zinc chloride AR25kg/Drum
1.09430.048 Zinc chloride CP500g
1.09430.058 Zinc chloride CP25kg/Sack
1.09430.068 Zinc chloride AR40kg/Drum
1.09430.078 Zinc chloride CP25kg
Characteristic: Appearance and properties:white powder,odorless,easy to deliquescence.
Relative density(water=1):2.91
Melting point(℃):365
Boiling point(℃):732
Concentration: Pure
Saturated vapor pressure:0.13/428
Solubility:soluble in water,ethanol,ether,glycerol,liquid ammonia.
Technical indicators:
Item AR CP
Assay(ZnCl2) ≥98.0% ≥98.0%
Clarity test Qualified 2 Qualified 4
Dilute hydrochloric acid insoluble matter ≤0.005% ≤0.01%
Sulfate (SO4) ≤0.01% ≤0.03%
Total nitrogen (as NO3 meter) ≤0.003% ≤0.006%
Ammonium (NH4) ≤0.005% --
Iron (Fe) ≤0.0005% ≤0.002%
Lead (Pb) ≤0.002% ≤0.01%
Basic salt (in ZnO count) ≤1.2% ≤2.4%
Not ammonium sulfide precipitate (as sulfate) ≤0.1% ≤0.3%
Hazard characteristics:

IATA-DGR UN 2331 ZINC CHLORIDE,ANHYDROUS,8,Ⅲ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 邮箱| 凤凰县| 凤庆县| 故城县| 双鸭山市| 拜城县| 和顺县| 福建省| 手游| 白朗县| 余干县| 宁国市| 集安市| 江孜县| 芜湖市| 五家渠市| 贡嘎县| 达拉特旗| 石渠县| 江孜县| 施秉县| 深水埗区| 徐汇区| 河池市| 西宁市| 永川市| 新绛县| 浮山县| 丰都县| 肥东县| 逊克县| 扎赉特旗| 乌拉特后旗| 肥西县| 阜康市| 阿拉善盟| 东阳市| 桑植县| 札达县| 西昌市| 潢川县|