Ehrlich has used a double stain with neutral red and methylene blue.
If hydrogen sulphide is passed through a solution of methylene blue the dye is very quickly reduced and becomes colorless.
The stains of most importance are carmine, methylene blue, hmatoxylin, gold chloride and Bismarck brown.
This reduction is brought about under conditions similar to those necessary for the reduction of dyes, such as methylene blue.
methylene blue can be reduced by the H2 and the hypophosphite oxidized.
There is no reduction if the milk, methylene blue, and aldehyde are agitated with air.
It seems strange that phenol should lose its power and that this should be restored by the methylene blue.
If, on the other hand, a direct blue is topped with methylene blue, its brilliancy may be enhanced.
The druggist dyed some crackers deep blue with methylene blue, and later dreamed that a large train of blue food was passing by.
As specially suitable we must mention fuchsin, methyl green, methyl violet, methylene blue.
methylene blue n.
A basic aniline dye that forms a deep blue solution when dissolved in water and is used as a bacteriological stain and as an antidote for cyanide poisoning.
|methylene blue |
A basic dye that forms a deep blue solution when dissolved in water. It is used as an antidote for cyanide poisoning and as a bacteriological stain. Chemical formula: C16H18N3SCl.