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- Publication Statement
Distribution of 210Po during smoking
- NUCLEAR TECHNIQUES Vol. 40, Issue 7, Article number: 070301(2017)
- 作者机构：
1.中国科学技术大学 合肥 230027
2.安徽省辐射环境监督站 合肥 230071
- 作者简介：
- 基金信息：Provincial Environmental Protection Scientific Research Project of Anhui Province;National Natural Science Foundation of China
DOI：10.11889/j.0253-3219.2017.hjs.40.070301
CLC： TL99;O657.4Received：01 March 2017，
Revised：21 March 2017，
Published：10 July 2017
- 稿件说明：
移动端阅览
Yuan WANG, Guobing YU, Xianbao GU, et al. Distribution of 210Po during smoking[J]. Nuclear techniques, 2017, 40(7): 070301
Yuan WANG, Guobing YU, Xianbao GU, et al. Distribution of 210Po during smoking[J]. Nuclear techniques, 2017, 40(7): 070301 DOI： 10.11889/j.0253-3219.2017.hjs.40.070301.
摘要
运用α能谱法分别测量了烟丝、烟灰、滤嘴中
210
Po的含量，研究了吸烟过程中
210
Po在香烟不同部分的分布情况。通过湿法消解方式分别消解了7种品牌香烟烟丝、烟灰以及滤嘴。测量结果表明，7种品牌香烟烟丝中
210
Po的比活度范围是（28.13±1.75）-（47.78±2.83） mBq·g
-1
，均值为36.60mBq·g
-1
；7种品牌香烟每支烟丝中
210
Po的比活度范围是（14.39±0.90）-（27.91±1.65） mBq，均值为20.77 mBq。在吸烟过程中，平均13.24%的
210
Po会滞留在烟灰中，平均14.39%的
210
Po会滞留在滤嘴中，平均72.37%的
210
Po会转移到燃烧烟雾中。
Abstract
Background
2
Due to direct deposition on leaves or root uptake
the tobacco leaves may contain
210
Po in significant concentration. There have been many surveys on the
210
Po activity concentration in cigarettes
yet few researches on the distribution of
210
Po during smoking.
Purpose
2
The study aims to research the distribution of
210
Po during smoking.
Methods
2
209
Po was used for chemical recovery calculation and
210
Po was measured by α spectrometry using a passivated implanted planar silicon (PIPS) detector after chemical leaching and spontaneous on silver disk. The
210
Po of fresh tobacco
filter
post-smoking filter and cigarette ash were measured. The
210
Po activity concentration in smoke was determined on the basis of above data.
Results
2
The
210
Po activity concentration of the 7 types of cigarettes ranged from (28.13±1.75) mBq·g
-1
to (47.78±2.83) mBq·g
-1
and the average is 36.60mBq·g
-1
. On average
about 13.24% of total
210
Po was retained in the cigarette ash
about 14.39% of total
210
Po was retained in the filter.
Conclusion
2
About 72.37% of
210
Po was transferred in the cigarette smoke
which may be deposited in the lung tissues.
关键词
Keywords
references
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