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
Zinc nitrate?hexahydrateCOA Report
  • CAS No.:10196-18-6
  • Molecular weight:297.46
  • Aliases:Zinc nitrate
  • Molecular formula:Zn(NO3)2·6H2O
  • UN Code:1514
Information
Specification category:
Product No. Product name specifications
1.09422.015 Zinc nitrate?hexahydrate AR500g
1.09422.025 Zinc nitrate?hexahydrate CP500g
1.09422.035 Zinc nitrate?hexahydrate AR25kg
1.09422.045 Zinc nitrate?hexahydrate CP25kg
Characteristic: Appearance and properties:Colorless crystal,easy deliquescence.
Relative density(water=1):2.07
Melting point(℃):36.4
Boiling point(℃):105~131(lost 6H2O)
Concentration: pure
Solubility:soluble in water,soluble in ethanol.
Technical indicators:
Item AP CP
Assay{Zn (NO3) 2.6 H2O} ≥99.0% ≥98.0%
pH value (50g / L, 25 ℃) ≥3.5 ≥3.5
Clarity test Qualified 2 Qualified 4
Water insoluble ≤0.005% ≤0.01%
Chloride (Cl) ≤0.001% ≤0.002%
Sulfate (SO) ≤0.002% ≤0.005%
Iron (Fe) ≤0.0003% ≤0.001%
Lead (Pb) ≤0.005 ≤0.02%
Not ammonium sulfide precipitate (as sulfate) ≤0.10% ≤0.15%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
久久午夜福利电影| 国产对白麻豆激情对白| 久久毛片免费看一区二区三区| 大地资源网中文第五页| 真人在线射美女视频在线观看| 国产精品美女久久久久| 国产伦精品一区二区三区免.费 | 久久亚洲精品成人无码网站| 欧美性白人极品1819hd| 国产性生交xxxxx免费| 无码无套少妇毛多69xxx| 色综合热无码热国产| 女人与公拘交酡过程视频| 内射中出日韩无国产剧情| 午夜久久久久久禁播电影| 俺来也俺去啦久久综合网| 人妻中出受孕 中文字幕在线| 国产一区二区三区2021| 无遮挡啪啪摇乳动态图gif| 高潮喷水的毛片| 欧美日韩精品乱国产| 又摸又揉又黄又爽的视频| 狼人青草久久网伊人| 国产精品欧美一区二区三区不卡 | 人妻少妇被粗大爽.9797pw| 久久久中文久久久无码| 无码av中文一区二区三区| 尤物在线精品视频| 国产综合在线观看| 97在线观看播放| 伊人久久大香线蕉AV五月天宝贝 | av淘宝国产在线观看| 成人国内精品久久久久一区| 浴室人妻的情欲hd三级| 777精品出轨人妻国产| 成人免费777777| 狠狠躁天天躁无码中文字幕| 亚洲成人av有码在线| 免费毛片在线看片免费丝瓜视频| 亚洲国产av玩弄放荡人妇系列| 99精品视频九九精品视频|