iron acetate liquor

iron acetate liquor

[′ī·ərn ′as·ə‚tāt ′lik·ər] (materials) Black liquor containing 5-5.5% iron and sometimes copperas or tannin; results from pyroligneous acid attack on iron filings; used for dyeing and printing with logwood, and as a mordant for alizarine and nitroso dyes. Also known as black liquor; black mordant; iron liquor.