野花视频新免费|97自拍超频在线|欧美一级Aaaa黄在线观看|斗罗大陆免费完整观看真人版|欧美视频一区|花蝴蝶在线直播|日韩精品系列

SZSE:002741
Chemical Reagents
Nigrosine (water soluble) COA Report
  • CAS No.:29512-49-0
Information
Specification category:
Product No. Product name specifications
1.24431.010 Nigrosine (water soluble) BS25g
Characteristic: Appearance and properties: solid, black or gray, almost tasteless.
pH value: ~ 10 (10 g / l H2O, 20 ℃)
Bulk density: ~ 750kg/m3
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1