刚果红 直接红 28
Congo Red (CI x 22120);CONGO REDRESEARCH GRADE;Congo Red,Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y;Congo red 1g [573-58-0];CONGO RED (C.I. 22120) INDICATOR PH 3.0-;LITHIUM HYDROXIDE 1H2O;Congo Red Stain Solution;Congo red (C.I. 22120) indicator Reag. Ph Eur