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
Sodium thiocyanate?COA Report
  • CAS No.:540-72-7
  • Molecular weight:81.07
  • Molecular formula:NaSCN
  • EC No.:208-754-4
  • HS-No:28429080
Information
Specification category:
Product No. Product name specifications
1.01419.016 Sodium thiocyanate AR500g
1.01419.026 Sodium thiocyanate CP500g
1.01419.036 Sodium thiocyanate CP25KG/drum
1.01419.056 Sodium thiocyanate AR500g
Characteristic: Appearance and properties: colourless crystal or white powder.
Relative density?(water=1): 1.73
Melting point(℃): 287
Concentration: sterling
Solubility: Soluble in water,Soluble in ethanol.
Technical indicators:
Item AR CP
Assay(NaSCN) ≥98.5% ≥98.0%
Clarity of solution Pass4 Pass6
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.01% ≤0.02%
Sulfate(SO4) ≤0.01% ≤0.025%
Ammonium (NH4) ≤0.005% ≤0.02%
Iron(Fe) ≤0.0003% ≤0.0006%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
Substances reducing iodine(as I) ≤0.1% ≤0.2%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
欧美丰满一区二区免费视频| 青草黄色免费视濒在线| 国产成本人片免费av| 国产国产精品人在线视| 亚洲国产一区二区精品无码| 精品成人av一区二区三区| 亚洲综合色无码| 护士人妻hd中文字幕| 亚洲av午夜成人片精品网站| 黄色三级国产视频无毒| 伊人色综合久久天天人手人婷 | 欧美拍拍视频免费大全| 香蕉久久国产av一区二区| 久久婷婷五月综合色99啪| 137日本免费肉体摄影| 91人妻熟妇在线视频| 男女激烈动态黄图| 综合激情中文字幕一区二区| 国产精品99久久免费观看| 蜜臀av在线播放懂色| 无码精品国产dvd在线观看9久 | 久久人人爽人人爽久久小说| 久久香蕉国产线熟妇人妻| 婷婷四虎东京热无码群交双飞视频 | 久久精品中文闷骚内射| 岛国aaaa级午夜福利片| 久久精品亚洲综合专区| 国产一区二区内射最近更新| 无码精品人妻一区二区三区湄公河| 99久久国产热无码精品免费| 鲁丝一区二区三区免费| 麻豆av一区二区天美传媒| 99久久久无码国产精品免费| 亚洲一本大道无码av天堂| 色婷婷av久久久久久久| 亚洲黄片一区二区三区| 精品国产制服丝袜高跟| 亚洲av成人一区二区三区| 日韩精品无码成人专区| 无码国产精品一区二区免费模式| 人妻聚色窝窝人体www一区|