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
Potassium thiocyanate?COA Report
  • CAS No.:333-20-0
  • Molecular weight:97.18
  • Aliases:Potassium sulfocyanide
  • Molecular formula:KSCN
  • EC No.:206-370-1
  • HS-No:28429080
Information
Specification category:
Product No. Product name specifications
1.01773.010 Potassium thiocyanate AR500g
1.01773.020 Potassium thiocyanate CP500g
1.01773.040 Potassium thiocyanate Spec25kg
1.01773.050 Potassium thiocyanate AR25kg
1.01773.090 Potassium thiocyanate AR5kg*5/Drum
Characteristic: Appearance and properties: Colorless crystal.
Relative density: 1.89(water=1)(20℃)
Melting point(℃): 175
Boiling point(℃): 500(decomposition)
Concentration: Pure
Solubility: Soluble in water,ethanol and acetone.
Technical indicators:
Item AR CP
Assay ≥98.5% ≥98.0%
pH value(50g/L solution,25℃) 5.3~8.5 5.3~8.5
Clarity of solution Pass Pass
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.005% ≤0.01%
Sulfide(S) ≤0.001% ≤0.005%
Sulfate(SO4) ≤0.005% ≤0.02%
Ammonium(NH4) ≤0.002% ≤0.005%
Sodium(Na) ≤0.02% --
Iron(Fe) ≤0.0001% ≤0.0002%
Copper(Cu) ≤0.0005% --
Lead(Pb) ≤0.0005% ≤0.001%
Substances reducing iodide(as I) ≤0.025% ≤0.06%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
大ji巴好深好爽又大又粗视频| 欧美成年视频在线观看| 成人精品视频一区二区三区尤物| 性一交一乱一伦一色一情孩交| 成人网站免费观看入口| 国产精品无码无片在线观看3d| 久久久中文久久久无码| 无码少妇精品一区二区免费动态| 亚洲色自偷自拍另类小说| 少妇高潮惨叫久久久久久电影| 日本国产三级精品桃色| 国产成人精品无码免费看夜聊软件| 国产精品第一国产精品| 色噜噜狠狠色综合久夜色撩人 | 亚洲裸男gv网站| а√天堂资源官网在线资源| 在线 | 一区二区三区四区| 无码熟妇人妻av在线电影| 久久精品熟女亚洲av麻豆| 亚洲av无码久久寂寞少妇| 久久www免费人成精品| 中文字幕乱偷无码av先锋| 国产69精品久久久久久久| 玩弄人妻少妇500系列| 国产激情视频一区二区三区| 国产九九九九九九九a片| 人妻无码一区二区三区四区| 亚洲а∨精品天堂在线| 久久久精品一区aaa片| 色噜噜狠狠色综合久夜色撩人| 777天堂麻豆爱综合视频| 国产精品兄妹在线观看麻豆 | 久久视频在线视频| 日本在线一区二区三区| 天堂无码人妻精品av一区| 国产精品户外野外| 曰韩无码二三区中文字幕| 日本最新在线一区二区| 中文一国产一无码一日韩| 在线国产在线国产尤物| 强行交换配乱婬bd|