Show NEW TEST FOR PRUSSIC ACID english scientist gives additional particulars tic ulars of his latest Chemi lill al discovery london dr A A D waller F it 8 professor at 0 physiology at the south kensington laboratory ot of tho the london university has baa given additional particulars tic ulars ot of the wonderful vonder rond erful tul discovery already announced to tho society ol of arts by which the presence ol 01 prussic acid can te detected even in the most moat minute quitE titles not only in human bodies but in any other substance tho the discover la Is likely to have a great effect upon medico legal jurisprudence hitherto as cx paned by dr waller analysts have relied chiefly upon their sense of smell to detect the presence of 0 acid hut but tho the new method la is one hundred times as acute as any ot of the old methods and so a portion na one sixty five hundredth of 0 a grain can be lie berned by it the article to be nn analyzed perhaps i a part ot at a human body 4 js distilled in a solution of picric of roda this has the effect of turning the article red and the degree of 0 redness the amount at 0 the poison present dr wittier waller anticipates that the new test will lick boight boIg highly hl appreciated ay tay cam cpm commercial analysts |