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GB/T 22838.2-2009 PDF English

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GB/T 22838.2-2009: Determination of physical characteristics for cigarettes and filter rods -- Part 2: Length -- Photoelectricity method
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GB/T 22838.2-200990 Add to Cart Auto, 9 seconds. Determination of physical characteristics for cigarettes and filter rods -- Part 2: Length -- Photoelectricity method Valid

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GB 5606.6   GB 5606.5   GB 5606.4   GB/T 22838.6   

GB/T 22838.2-2009: Determination of physical characteristics for cigarettes and filter rods -- Part 2: Length -- Photoelectricity method


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT22838.2-2009
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 65.160 X 87 Determination of physical characteristics for cigarettes and filter rods - Part 2. Length - Photoelectricity method Issued on: APRIL 03, 2009 Implemented on: MAY 01, 2009 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of the People's Republic of China.

Table of Contents

Foreword ... 3 1 Scope ... 5 2 Normative References ... 5 3 Principle of Measurement ... 5 4 Instruments... 6 5 Sampling and Sample Preparation ... 6 6 Measuring Steps ... 6 7 Result Expression ... 7 8 Measurement Report ... 7 Annex A ... 8

Foreword

GB/T 22838 "Determination of physical characteristics for cigarettes and filter rods" is divided into 18 parts. - Part 1. Cigarettes packaging and mark; - Part 2. Length - Photoelectricity method; - Part 3. Circumference - Laser method; - Part 4. Cigarettes weight; - Part 5. Cigarettes draw resistance and filter rods pressure drop; - Part 6. Hardness; - Part 7. Cigarettes dust content; - Part 8. Moisture; - Part 9. Cigarettes loose end; - Part 10. Open seam; - Part 11. Cigarettes extinguish; - Part 12. Cigarettes appearance; - Part 13. Filter rods roundness; - Part 14. Filter rods roundness; - Part 15. Cigarettes - Determination of ventilation - Definitions and measurement principles; - Part 16. Cigarettes - Determination of loss of tobacco from the ends – Method using a rotating cylindrical; - Part 17. Cigarettes - Determination of loss of tobacco from the ends – Method using a vibro-bench; - Part 18. Cigarettes - Determination of loss of tobacco from the ends – Method using a rotating box. This is part 2 of GB/T 22838. Annex A of this part is informative. This part was proposed by the State Tobacco Monopoly Bureau. Determination of physical characteristics for cigarettes and filter rods - Part 2. Length - Photoelectricity method

1 Scope

This part of GB/T 22838 specifies the determination methods for cigarettes and filter rods length. This part applies to cigarettes and filter rods.

2 Normative References

The provisions in following documents become the provisions of this part through reference in this this part of GB/T 22838. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 5605-2002 Tobacco and tobacco products, acetate fiber filter rods GB/T 5606.1 Cigarette - Part 1. Sampling GB 5606.3-2005 Cigarette - Part 3. Technical requirements for packing, making, storage and transport GB/T 15270-2001 Tobacco and tobacco products - Polypropylene tow filter rod GB/T 16447 Tobacco and tobacco products – Atmosphere for conditioning and testing (GB/T 16447-2004, ISO 3402.1999, IDT)

3 Principle of Measurement

Use a parallel beam to conduct projection or scanning to cigarettes and filter ends, so as to form an optical signal, which is received by photoelectric receiving device AND processed by data processing system; then give out the length-value of cigarettes and filter rods. NOTE. Projection method can also be used to determine the length of cigarettes and filter rod, operation procedures. 6.3 Based on the specifications of sample, SELECT standard filter rod of corresponding length. CONDUCT calibration for the standard length of instrument. 6.4 PLACE cigarette or filter rod in the measuring position, so that the parallel- light can irradiate to the ends of cigarette or filter rod. CONDUCT the projection or scanning to the ends of cigarette or filter rod. 6.5 Based on photoelectric receiving device and data processing system, READ out the length of cigarette or filter rod. 6.6 REPEAT steps 6.4 ~ 6.5. TEST totally 30 specimens.

7 Result Expression

EXPRESS the measurement results in millimeter, accurate to 0.1mm.

8 Measurement Report

Measurement report shall include the following content. - Sample marks and instructions; - Number of standard used; - Instruments used and models; - Measurement time; - Environmental conditions of measurement; - Measurement results. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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