The extract is an efficient substitute for catechu and kino.
For other dyes cotton has a special attraction, such as catechu.
A strong decoction of catechu; the shade may be varied by the cautious addition of a little weak solution of bichromate of potash.
With some dyes a separate bath is needed, such as with Camwood or catechu.
Cotton is usually dyed by boiling it for about one hour in a decoction of catechu (100%) containing copper sulphate (5%).
catechu and Betelleaf are chewed for this purpose by the natives of the East.
The fruit, when tender, is masticated like the Areca catechu.
catechu, or terra japonica, in powder or solution, is also sometimes added to give a roughness to the spirit.
Turmeric, orchil, catechu, and indigo carmine are all extremely fugitive.
The syrup of krameria is the least objectionable, and catechu and krameria are made into troches which are sometimes available.