Uncertainty evaluation and analysis of gross α and gross β determination in new standard examination methods for drinking water

Yuhan XIE; Yuxin QIAN; Cen SHI; Liangliang YIN; Yanqin JI

doi:10.11889/j.1000-3436.2024-0056

Journal of Radiation Research and Radiation Processing, Volume. 43, Issue 1, 010702(2025)

Uncertainty evaluation and analysis of gross α and gross β determination in new standard examination methods for drinking water

Yuhan XIE, Yuxin QIAN, Cen SHI, Liangliang YIN^*, and Yanqin JI

Author Affiliations

Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(4)

Fig. 1. Casuse and effect diagram for uncertainty gross α and gross β analysis

Download full size

View in Article

Table 1. Counting rate and relative standard uncertainty at different detecting times

View table

View in Article

Table 1. Counting rate and relative standard uncertainty at different detecting times

时间 / min Time	样品计数率 $n_{x}$ /10^-2 (counts·s^-1) Counting rate of sample	样品计数率 $n_{0}$ / 10^-3 (counts·s^-1) Counting rate of blank sample	A类相对标准不确定度 $u_{A}^{'}$ Type A evaluation of measurement relative standard uncertainty
100	0.800	0.667	0.164 0
200	0.675	0.417	0.122 0
300	0.644	0.389	0.102 0
400	0.650	0.417	0.088 2
500	0.657	0.333	0.076 9
600	0.664	0.333	0.079 8
700	0.643	0.357	0.066 2
800	0.652	0.354	0.061 4
900	0.669	0.333	0.056 8
1 000	0.672	0.333	0.053 7

Table 2. Six weighing results of the same sample

View table

View in Article

Table 2. Six weighing results of the same sample

次数 Times	坩埚质量 / g Crucible weight	坩埚+样品质量 / g Crucible+sample weight
1	170.676 3	172.276 8
2	170.675 8	172.276 4
3	170.676 6	172.277 2
4	170.676 0	172.277 0
5	170.676 2	172.276 6
6	170.676 3	172.276 9
平均值Average	170.676 2	172.276 8

Table 3. The percentage contribution of each uncertainty component to the uncertainty
View table
View in Article
Table 3. The percentage contribution of each uncertainty component to the uncertainty
不确定度分量
Uncertainty components
总α
Gross α
总β
Gross β
$u_{A}$ 53.9 61.2
$u_{B, W}$ 0.570 0.530
$u_{B, F}$ 17.6 11.7
$u_{B, ε}$ 20.4 19.4
$u_{B, m}$ 1.85 1.73
$u_{B, V}$ 5.79 5.41

Tools

Get Citation

Copy Citation Text

Yuhan XIE, Yuxin QIAN, Cen SHI, Liangliang YIN, Yanqin JI. Uncertainty evaluation and analysis of gross α and gross β determination in new standard examination methods for drinking water[J]. Journal of Radiation Research and Radiation Processing, 2025, 43(1): 010702

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: RADIATION INTERDISCIPLINARY RESEARCH

Received: Jun. 26, 2024

Accepted: Sep. 5, 2024

Published Online: Mar. 13, 2025

The Author Email: YIN Liangliang (尹亮亮)

DOI:10.11889/j.1000-3436.2024-0056

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Counting rate and relative standard uncertainty at different detecting times

Table 1. Counting rate and relative standard uncertainty at different detecting times

Table 2. Six weighing results of the same sample

Table 2. Six weighing results of the same sample

Table 3. The percentage contribution of each uncertainty component to the uncertainty

Table 3. The percentage contribution of each uncertainty component to the uncertainty