Tobacco Documents Online

| HK0268083 38972 7 CONCENTRATION OF CARBON MONOXIDE IN CIGAREI'[E SMOKE CHEM AGE ]NPIA 24(5): 265-267; 1973 AIYAPPAN PILLAI, M/ GUPTA, MC ~J.BP_0..~.~: THE CONCENTRATION OF CARBON MONOXIDE IN CIGARETTE AND BIDI SMOKE IS INVESTIGATED AS WELL AS FACTORS WHICH PROMOTE INCOM- PLETE COMBUSTION LEADING TO A HIGHER CONCENTRATION OF CARBON MON- OXIDE, ~LE.TJ~: CARBON MONOXIDE CONTENT OF THE SMOKE OF 10 CIGARETTES AND 3 BIDIS OF VARIOUS BRANDS WAS DETERMINE]) BY GAS CHROMATOGRAPHY, DETERMINATIONS WERE MADE oN CIGARETTE AND BIDI SMOKE SAMPLES DRAWN AT A "LOW" AND A "HIGH" ASPIRATING PRESSURE, AND ON SMOKE FROM THE FIRST AND SECOND HALVES OF THE CIGARETTES, FINDINGS: CARBON MONOXIDE CONTENT OF SMOKE FROM THE FIRST HALF OF THE CIGARETTE WAS FOUND TO BE LESS THAN THAT FROM THE SECOND HALF~ AND GREATER HHEN COLLECTED AT A "HIGH" ASPIRATING PRESSURE THAN AT A "LOW" PRESSURE, EFFECTS OF PRESSURE DIFFERENCES WERE MORE PRO- NO~NCED IN BIDIS WHICH MAY BE DUE TO THEIR SMALLER DIAMETER RE- SULTING IN HIGHER RATES OF AIR FLOW THROUGH THE BURNING ZONE, ]~I_=%T, JJ.EE.t~: ~[T]HERE IS GREATER RESISTANCE TO AIR FLOW IN THE SECOND HALF OF THE CIGARETTE WHICH HAS BEEN BROUGHT ABOUT BY COKE FORMATION, THIS MAY BE AVIODED BY LOOSE PACKING OF TOBACCO AT THE CORE, HENCE~ IT MAY BE WORTHWHILE TO INVESTIGATE WHETHER TOBACCO PACKING IN THE CIGARETTE COULD BE MODIFIEDs SO THAT THE DENSITY OF THE PACKED TOBACCO DECREASES UN|FORMALLY FROM THE PERIPHERY TO THE CORE THROUGHOUT THE LENGTH OF THE CIGARETTE, THIS MAY PROMOTE BETTER COMBUSTION AT THE CORE SO THAT CARBONMONDXIDE CONTENT IN THE SHOKE WILL BE REDUCED," /0M/ CI-R 98 cor,IL5 01000

• " HK0208064 | 35972 ]ND ] TECH, MADRAS, INDIA/ ]NO I TECH, MADRAS, INDIA PHYSICOCHEMICAL STUDY, QUANTITATIVE STUDY, ANALYTICAL STUDY, CIGARETTE SMOKE CARBON MONOXIDE CONTENT, BIDI SMOKE CARBON MONOXIDE CONTENT, CIGARETTE MDDIF3CATIONS, CIGARETTE SMOKE ANALYSIS, CIGARETTE BURNING CHARACTERISTICS/ ~'~ SMOKING HEALTH HAZARDS, CIGARETTE SMOKE COMPOSITION CHANGES, CIGARETTE SMOKE CARBON MONOXIDE |NCREASE, CIGARETTE LENGTH, CIGARETTE COMBUSTION PRODUCTS, CIGARETTE DIAHETER, ~AR~ON HONOXIDE TOXICITY, CIGARETTE TOBACCO MODIFICATION, CIGARETTE AIR RESISTANCE, AIR CARBON MONOXIDE, SMOKING METHODS, PUFF PRESSURE/ SMOKING MACHINES, PUFF DURATION, PUFF FREQUENCY, GAS CHROMATOGRAPHY, AIR POLLUTION, AUTOMOBILE EXHAUST, BLOOD CARBON MONOXIDE, HEADACHE, DIZZINESS/ ENGLISH LANGUAGE, MADRAS RESIDENCE, INDIA RESIDENCE CIFI 98 CtII'IG 01001