Sentence:  When 1 ml of <WSD>conjugate</WSD> was passed through a column ( * * f ) , the first and second milliliter fractions collected were the most specific and gave no nonspecific staining in some experiments , and very little in others . 
Meaning of the word marked with <WSD> tags:  a mixture of two partially miscible liquids A and B produces two conjugate solutions: one of A in B and another of B in A