Dissolve the picric acid in water, add sufficient sulphuric acid to give the mixture a slightly acidulous taste, and then add carmine of indigo according to the shade of green desired. To dia silk ...

DOESthe “Handy Man” ever burn himself? Of course. One of the best, most convenient remedies he can use is a solution of picric acid in water. It is very satisfying and just a little gratifying ...

Barrels of a highly explosive acid once used to make bombs have been discovered alongside other hazardous chemicals at a warehouse. Officials found 300kg of picric acid at the industrial unit near ...

Bouin's is good for mouse embryos and fetuses, but is not as forgiving, and the tissues must be adequately rinsed after fixing to remove the picric acid. Fixatives can be purchased from vendors of ...

It was believed to be picric acid. The Courier-Mail understood that it was from a first aid kit from around the 1910s. The authorities set up a 100m exclusion zone until the substance testing ...