Analysis of Cigarette's Draw Resistance Test Method

Cigarettes are a common type of consumer goods in daily life. The quality of cigarettes and whether they should be banned will not be discussed in this article. This article will focus on the research on the characteristics of the adsorption air resistance of cigarette holders. Scope: This standard specifies the method for determining the smoking resistance of cigarettes. This standard applies to all kinds of cigarettes. Reference standards: The provisions contained in the following standards constitute provisions of this standard through quotation in this standard. At the time of publication, the editions indicated were valid. All standards will be revised, and all parties using this standard should explore the possibility of using the latest version of the following standards. GB/T5606.1-1996 Cigarette sampling GB/T16447-1996 Tobacco and tobacco product conditioning and side test atmospheric environment determination principle: Under standard conditions, when a steady airflow with a flow rate of 17.5mL/s flows through a cigarette sample When the pressure difference between the two ends of the sample is the draw resistance of the sample. Apparatus and equipment: 1. The apparatus for determining the resistance of cigarettes should meet the following requirements: — Air flow: 17.5 mL/s; — Measuring head: capable of sealing the test sample. During the measurement, the outlet end of the sample is inserted into the probe 9mm, and there should be a layer of film in the test head. During the measurement, the film completely wraps the sample in the probe, and there should be no air passing between the film and the sample; Range -> 5kPa; Resolution: 10Pa;-Measurement value display accuracy: 1OPa, 2, a set of standard rods: the difference between the standard values u200bu200bof the two standard rods is not less than 1kPa; the accuracy of the standard rods (relative error) is 1%. : Adjust the sample according to GB/T 16447 and test it under the corresponding environmental conditions. 1. Turn on the power of the instrument and warm it up to stabilize it. 2. Connect the gas circuit. 3. Calibrate the instrument with high and low standard rods respectively, so that the relative error between the displayed value of the instrument and the standard value of the standard rod does not exceed 1%. 4. Insert the outlet end of the sample into the measuring head of the instrument with a depth of 9mm , Make the film tightly wrap the sample in the probe. 5. The resistance reading should be obtained for 2-3 seconds after the sample is inserted into the instrument
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