久久99精品久久久久久hb亚瑟-免费看无码毛视频成片-99热这里只有精品免费播放-亚洲精品少妇高清30p-国产午夜福利精品久久2021

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
主站蜘蛛池模板: 99九九99九九视频精品| 春色校园综合人妻av| 国产偷摄中国推油按摩富婆| 精品麻豆一卡2卡三卡4卡乱码 | 国产女同疯狂作爱系列| 亚洲精品久久久中文字幕痴女| 天天爽天天爽夜夜爽毛片| 欧美又大又硬又粗bbbbb| 亚洲色成人网站www永久| 人妻互换 综合| 色综合中文综合网| 99国产精品99久久久久久| 久久久亚洲欧洲日产无码av| 亚洲午夜高清国产拍| 强奷乱码中文字幕| 西西人体44www高清大胆| 国产开嫩苞实拍在线播放视频| 熟妇人妻va精品中文字幕| 亚洲成色在线综合网站免费| 亚洲一区在线日韩在线秋葵| 亚洲va无码专区国产乱码| 国产欧美日韩综合精品二区| 亚洲一区二区三区国产精华液| 日韩av无码一区二区三区| 国产精品人成视频免费播放| 亚洲一卡二卡三卡四卡无卡麻豆| 热99re久久精品天堂| 国产日韩在线视看第一页| 亚洲国产成人精品无码区蜜柚| 成人影片麻豆国产影片免费观看| 日本成熟少妇激情视频免费看| 亚洲视频日本有码中文| 色八区人妻在线视频| 中文字幕在线不卡精品视频99| 日本高清视频www| 亚洲爆乳大丰满无码专区| 狠狠色噜噜狠狠狠888777米奇| 亚洲中文字幕在线第六区| 四虎最新网址| 亚洲色播爱爱爱爱爱爱爱| 极品粉嫩嫩模大尺度无码|