Congo-red meaning

A brownish-red powder, C32 H22 N6 Na2 O6 S2 , used in medicine and as a dye, indicator, and biological stain.
noun
0
0
A sodium salt, C32H22O6N6S2Na2, used for dyeing wool and cotton and as an acid-base indicator: it becomes blue in an acid solution and remains red in an alkaline or neutral solution.
noun
0
0
A brownish-red powder, C32 H22 N6 Na2 O6 S2 , used in medicine and as a dye, indicator, and biological stain.
noun
0
0
A dye that turns red in alkaline, blue in acidic solutions.
noun
0
0
Advertisement