Orange.--Dye with 2 lb. Croceine Orange, 10 lb. Glauber's salt, and 2 lb. sulphuric acid.
Bright Orange.--Use 3 lb. Orange G G, 10 lb. Glauber's salt, and 2 lb. sulphuric acid, boiling for one hour.
Orange.--Use 3 lb. Orange R, 10 lb. Glauber's salt, and 2 lb. sulphuric acid. Work at the boil. Orange Extra will give a slightly less red tone of orange, Croceine orange gives a good bright shade of a yellowish tone.
There are several brands of Orange dyes which can be used; they differ but little in shade from one another. In general they give fast colours. The Tropæolines also dye orange shades, but they are not so fast as the other dyes which have been named.
Gold Orange.--Make a dye-bath with 1/2 lb. Diamine scarlet B, 2 lb. Anthracene Yellow C, 50 lb. Glauber's salt, 5 lb. acetate of ammonia. Enter the wool, work for half an hour, then add 3 lb. bisulphate of soda. Boil again for half an hour, then lift. Add 3 lb. fluoride of chrome, re-enter the wool, boil again for half an hour, then lift, wash and dry. This gives a very fast orange.
With Mordant Dyes. Old Gold.--Mordant with 3 lb. bichromate of potash and 1 lb. sulphuric acid; dye with 6 lb. Alizarine Yellow R W.
Pale Orange.--Mordant with 6 lb. alum and 4 lb. tartar; dye with 1 lb. Alizarine Orange G G.
Deep Orange.--Mordant with 10 lb. alum and 6 lb. tartar; dye with 10 lb. Alizarine Orange N. This last dye-stuff gives a slightly redder shade of Orange than does the Alizarine Orange G.
Deep Orange.--Dye in a bath with 1-3/4 lb. Azo Alizarine Orange R R, 10 lb. Glauber's salt, and 2 lb. sulphuric acid, and fix in the same bath with 1 lb. bichromate of potash.
Orange.--Dye in a bath with 1 lb. Alizarine Red 1 W S, 2 lb. Mordant Yellow O, 10 lb. Glauber's salt, and 2 lb. sulphuric acid, then fix with 1-1/2 lb. bichromate of potash.