Tobacco Documents Online

! 3itsrsture the ons whisN in sip opinio gr=.#.sf ss an additite to cigarette to dinitrate. Znaamuah as ve xsre unable to obtain compound frox e1y ut the chemtes2 houses, it was aaeessary for us to mal€a tt. R`he a.thffd sstilised in the. synthesis of .. diet4~qleae-{ii.uitrate is fairly simgla but 3t took same iir¢s .: for us to assquiaa the s3c311 of gregariag a purs C=pouud. : '3rb per cent. In crd*r tci maintain the sams-araouata of tobacco in cigarettes contaissiinq the -treateet tctbra2a and iss the ' corresponding smep3es prepared YYtm the untreated iobacco# we usad i.2 gsts of treated tobacco but only 2.0 po* of untreated tobacco in making up the cigarsLtess '; Gomyarative tsaakiag tssts of tha• cigarsttas Isaae indicated that the tars ia the smoke of cigarettes containing the treated tobacco araf on the average, 50 per aeat of tice tars in the smoke of comparable cigarettes pregarsd from the untreated tobacao. The aiaotine in the saoke of tke former average tffiotiHt a

lermsls. i Y. puurr¢htaa Clei Gold frcm LBsm and rYivide this tobacco is treated srith a yroduct under tsat yatrssted. After tratmsat of ths f has been amplatsdt both gtrts of Us

arettea Sa 75 iter tteat of ths rrmauat of this a2ka2ni8.ia ear~rs of the laLt.tr oigarettss.- In other warsiso the :•., itioa of abastL Ii0 asr a.at of diatbrrieatr-diaitza•t,o to the 'YCd.r Mtg at thet }TreaeIIt dia6 a e first aeri#a except for t+he fact that ire ad •at ot the ctiethvleae-cliaitrats to the taba s has produced evidence that our ori enzl4n sa aae Phaae or t6s Wor7F ecM n arettea. T2ssae re ement with the fi rharaateristfcaa of •the msska o repraduaible in our hand made aam . . , I ratad in yonr letter t return to Sew 7ark in a•sreaic or 10 gi a should have completed our smoking testa of the samples of cigarettes containing tobacco treated •zrith.S ger cent distttylene-di.n#,trate. . ~ TAScTti Jchn A, Siliiaa,* Ph. D. 1Ci2l3aa Research Laba. Ina* at esmokfug tests give indications af substantial ai then vs stu22 proceed to a third series c tre ahal3 add 2.5 per ss,mt of the a33tthv3en.- - crs ug=