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
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
熟女人妻一区二区三区免费看 | 欧洲熟妇色xxxx欧美老妇软件| 青青草原精品99久久精品66| 中文有码vs无码人妻| 亚洲人成网线在线播放va蜜芽| yy111111少妇影院免费观看| 人妻中文无码久热丝袜| 国内精品久久久久久中文字幕 | 国内揄拍国内精品少妇| 麻豆人妻无码性色av专区| 亚洲国产精品无码中文字| 国产自产视频一区二区| 日韩欧群交p片内射中文| 欧美人与禽2o2o性论交| 午夜影视免费| 99riav国产精品视频| 无码精品人妻一区二区三区中| 久久天天躁狠狠躁夜夜躁2014| 欧美牲交a欧美牲交aⅴ免费下载| 国产精品99久久免费观看| 尤物在线精品视频| 强插女教师av在线| 亚洲精品一区二区三区四区五区| 成人日韩熟女高清视频一区| 国产迷姦播放在线观看| 欧美性白人极品1819hd| 亚洲人成网站在线观看播放 | 亚洲国产精品无码久久久久高潮 | 亚洲中文波霸中文字幕| 丰满人妻精品国产99aⅴ| 国内揄拍国内精品| 丰满少妇女人A毛片视频| 免费视频欧美无人区码| 中国国产免费毛卡片| 亚洲精品www久久久久久| 欧洲熟妇色xxxx欧美老妇多毛 | 精品少妇人妻av无码久久| 我国产码在线观看av哈哈哈网站| 777米奇久久最新地址| 2018国产精华国产精品| 欧美成人精品一区二区综合|