无码日韩精品一区二区免费暖暖_日韩人妻无码精品久久_狂躁美女大bbbbbb视频u_亚洲精品一区二区三区在线观看_自拍偷自拍亚洲精品播放

SZSE:002741
Chemical Reagents
Ammonium dichromate?COA Report
  • CAS No.:7789-09-5
  • Molecular weight:252.07
  • Aliases:Ammonium dichromate
  • Molecular formula:(NH4)2Cr2O7
  • UN Code:1439
  • EC No.:232-143-1
Information
Specification category:
Product No. Product name specifications
1.06087.015 Ammonium dichromate AR500g
1.06087.025 Ammonium dichromate CP500g
1.06087.045 Ammonium dichromate AR25kg
Characteristic: Appearance and properties:Orange yellow monoclinic crystal.
Relative density (water=1):2.15
Relative vapor density:8.7
Concentration:Content: Industrial grade ≥95%.
Solubility:Soluble in water, dissolved in acetone, soluble in ethanol.
Other Properties: 170
Technical indicators:
Item AP CP Assay[(NH4)2Cr2O7] ≥99.0% ≥99.0% Insoluble matter in water ≤0.002% ≤0.005% Chloride (Cl) ≤0.002% ≤0.005% Sulfate (SO4) ≤0.01% ≤0.03% Sodium (Na) ≤0.005% ≤0.05% Potassium (K) ≤0.07% ≤0.16% Calcium (Ca) ≤0.002% ≤0.01% Iron (Fe) ≤0.002% ≤0.005%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
四虎精品永久在线视频| 国产真实夫妇交换视频| 丰满少妇大力进入av亚洲| 午夜福利成人免费在线| 国产成年无码久久久久下载 | 美女扒开腿让男人桶爽app免费看| 日本精品一区二区国产| 久久偷看各类wc女厕嘘嘘偷窃| 中文字幕人妻无码专区APP| 无码一区二区三区亚洲人妻 | 国产精品多人p群无码| 亚洲成av人无码综合在线观看| 亚洲av日韩av永久无码下载| 久久久久人妻精品一区三寸蜜桃| 久久婷婷五月国产色综合| 亚洲av片在线观看| 国产实拍强伦奸在线观看| 久久精品第九区免费观看| 国产黄色成人自拍视频| 国产精品国产三级国快看| 狠狠爱俺也去去就色| 欧美人禽杂交狂配| 成人免费视频一区二区| 久久国产精品免费一区二区三区 | 亚洲av中文在我观看| 国产交换配乱婬视频| 越南女子杂交内射bbwbbw | 特级毛片a级毛片免费播放| 最新午夜国内自拍视频| 国产精品午睡沙发系列| 六月丁香婷婷色狠狠久久| 无码手机线免费观看| 亚洲偷自拍另类图片二区| 人妻熟女一区| 国产精品无码专区在线观看| 亚洲国际精品女人乱码| 中文字幕丰满伦子无码 | 无码精品国产dvd在线观看9久| 99久久成人亚洲精品| 亚洲国产精品一区第二页| 非洲黑人最猛性xxxx交|