00671nam a2200169 a 4500003000200000005001700002008004100019050003100060100002800091245009900119260009000218300004000308504004100348650002600389650004400415650004200459020250523153412.0021022s19uu    xx            00    eng d  aPHS RA 1242.T48b.Y66 2002  aYongco, Maria Fathma M.  aThe Determination of thiocyanide ion for different cigarette brands /cMaria Fathma M. Yongco.  aLas Piñas City, Philippines :bSouthville International School and Colleges,c2002.  a40 pages :billustrations ;c28 cm.  aIncludes bibliographical references.  aCigarettesxAnalysis.  aCigarette brandsxComparative analysis.  aToxic substances in tobacco products.