色综合合久久天天给综看,天天干天天在线,日本免费大黄在线观看,天天干影院,性感黑丝美女视频,美女视频在线看网址,超高清美女视频

  Wuhan kemi-works chemical co., ltd
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese
Sell: Fluorescein
Date: 2012-08-23
Cas#: 2321-7-5
Specification:
Price:
Quantity:
Term: 360
Note: Molecular Formula:C20H12O5
Molecular Weight:332.31
Maximum absorption wave-length 脦祿茂錄藛PH8.0茂錄鈥?490-493 nm
Mass-absorption coefficient 脦祿茂錄藛PH8.0茂錄鈥癓/cm脗路g: 200 min.
Ethanol soluble test: qualified
Sensitive test: qualified
Loss on drying: 5.0%max
Residue on ignition茂錄藛as sulfate茂錄鈥? 0.3%max
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.