Enticed by the brilliant green hues of copper acetate and copper resinate, some painters in the Renaissance period incorporated these pigments into their masterpieces. However, by the 18th century, ...
SO long ago as 1908 Prof. J. W. H. Trail described in the Kew Bulletin a method I which he had worked out for fixing the green colour in plants. By placing the plant for a shorter or longer period in ...
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