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 thiocyanate?COA Report
  • CAS No.：1762-95-4
  • Molecular weight：76.12
  • Aliases：Ammonium thiocyanate
  • Molecular formula：CH4N2S
  • EC No.：217-175-6
  • HS-No：28429080
Information
Specification category：
Product No. Product name specifications
1.06076.010 Ammonium thiocyanate AR500g
1.06076.020 Ammonium thiocyanate CP500g
1.06076.040 Ammonium thiocyanate AR25KG
1.06076.050 Ammonium thiocyanate AR500g
Characteristic： Appearance and properties:Colorless, shiny, monoclinic crystals, deliquescent in the air.
Relative density (water=1):1.31
Melting point(℃):149.6
Boiling point(℃):170(decomposition)
Concentration:Sterling
Solubility:Soluble in water, soluble in ethanol, acetone, ammonia
Technical indicators：
Item AP CP Assay(NH4CNS) ≥ 98.5% ≥ 98.0% pH value(50g / l solution, 25 ℃) 4.5～6.0 4.5～6.0 Clarity test Qualified 4# Qualified 6# Insoluble matter in water ≤ 0.005% ≤ 0.01% Residue on ignition (as sulfate) ≤ 0.01% ≤ 0.02% Chloride (Cl) ≤ 0.005% ≤ 0.01% Sulfur (S) ≤ 0.001% ≤ 0.002% Sulfate (SO4) ≤ 0.005% ≤ 0.02% Iron (Fe) ≤ 0.0001% ≤ 0.0003% Copper (Cu) ≤ 0.0005% ≤ 0.001% lead (Pb) ≤ 0.0005% ≤ 0.001% Reducing iodine substances (by I count) ≤ 0.05% ≤ 0.1%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲视频一区| 96久热视频只有精品| 欧美牲交视频免费观看| 秋霞鲁丝片一区二区三区| 国产精品久久久久久免费软件| 久久精品青青大伊人av| 免费啪视频在线观看视频网页 | 国产级一片内射视频页| 亚洲依依成人亚洲社区| 综合图区亚洲欧美另类图片 | 亚洲人成无码网站在线观看| 蜜桃传媒av免费观看麻豆| 国产xxxx69真实实拍| 无码成a毛片免费| 国产亚洲成av片在线观看 | 交换交换乱杂烩系列yy| 妺妺窝人体色www在线下载| 日本欧美视频在线观看| 国产网红主播无码精品| 天干天干天啪啪夜爽爽99| 欧美激情综合亚洲一二区| √天堂8资源中文在线| 无码超级大爆乳在线播放| 粉嫩虎白女p虎白女在线| 爽爽影院免费观看视频| 人人爽人人爽人人爽人人片av| 在线视频夫妻内射| 久久精品国产9久久综合| 久久久久亚洲av成人人电影| 蜜臀av性久久久久蜜臀aⅴ麻豆| 亚洲精品无码成人片久久| 无码成a毛片免费| 精品久久久久久| 久久久久久亚洲精品成人| 久久99精品久久久久久噜噜| 久久久婷婷综合亚洲av| 亚洲精品久久久蜜桃| 国产精品熟女视频一区二区| 国产成人久久精品77777综合| 四虎影在永久在线观看| 国产极品美女到高潮|