A chemist test new mixtures for paint samples and decides one mixtuees stickiness makes is worthless

known are those proposed by Patrick, 1 and Howard, 2 and the group scheme devised by ... are unsatisfactory for complicated food mixtures and entirely useless so far as ... Congdon's procedure is evidently based on qualitative tests made on the ... it was decided at the outset that on account of the complex food mixtures.