国产亚洲精品小视频-麻豆乱婬一区二区三区-综合视频精品这里只有-美女张开腿张开腿让男人捅

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
清远市| 嘉禾县| 乌兰浩特市| 临清市| 拜城县| 锡林郭勒盟| 广西| 无棣县| 南安市| 农安县| 呼图壁县| 合作市| 尉氏县| 新和县| 南宫市| 双鸭山市| 镇雄县| 曲靖市| 尉犁县| 卓资县| 广德县| 通化县| 香格里拉县| 赣榆县| 蛟河市| 南岸区| 五莲县| 文成县| 赤峰市| 蒲城县| 兴国县| 堆龙德庆县| 高邮市| 郯城县| 荆门市| 久治县| 庆云县| 吉林市| 上虞市| 法库县| 即墨市|