王思广
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王思广
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超低本底核素测量实验室（10级）介绍
1）样品测量区的洁净度可达1级的测量录像（实验室正式运行前的初步测试结果）
![image004[1].png](/_resources/group1/M00/00/08/cxv0A15OWLaABfIvAAETZCxggys353.png "remote.png")
Cleanliness in sample region of ICP-MS. One point measured 1 minute and then 10 second pause
Time(minutes) |
Class (0.3mm) |
Class (0.5mm) |
Class (1.0mm) |
0 |
0.0 |
0.0 |
0.0 |
1.45 |
0.0 |
0.0 |
0.0 |
2.9 |
0.0 |
0.0 |
0.0 |
4.35 |
0.3 |
0.0 |
0.0 |
2） 化学通风橱的洁净度可达10级以内
![image006[1].jpg](/_resources/group1/M00/00/08/cxv0BF5OWLWAWgh4AAA6u3dgtV4001.jpg "remote.jpg")
Time(minutes) |
Class (0.3mm) |
Class (0.5mm) |
Class (1.0mm) |
0 |
104.6 |
200.8 |
344.0 |
1.45 |
27.4 |
70.3 |
85.0 |
2.90 |
10.4 |
21.1 |
21.3 |
4.35 |
3.8 |
5.0 |
12.7 |
5.80 |
2.8 |
1.0 |
0.0 |
7.25 |
6.2 |
11.1 |
4.2 |
8.70 |
4.9 |
8.0 |
4.2 |
10.15 |
2.1 |
4.0 |
8.5 |
11.60 |
2.1 |
4.0 |
4.2 |
13.05 |
4.2 |
2.0 |
0.0 |
14.50 |
4.5 |
7.0 |
8.5 |
15.95 |
5.2 |
6.0 |
0.0 |
17.40 |
4.2 |
6.0 |
8.5 |
3）洁净间的洁净度可达10A级（无人）
Time(minutes) |
Class (0.3mm) |
Class (0.5mm) |
Class (1.0mm) |
0 |
46.1 |
105.4 |
199.6 |
1.45 |
13.2 |
29.1 |
59.5 |
2.9 |
4.2 |
11.1 |
16.9 |
4.35 |
4.2 |
8.0 |
12.7 |
5.8 |
2.4 |
4.0 |
8.5 |
7.25 |
1.7 |
3.0 |
0.0 |
2016年4月16日洁净间样品制备区实测录像（239Mb）![image008[1].png](/_resources/group1/M00/00/08/cxv0A15OWLaAL75iAAE61c08klE909.png "remote.png")
4）层流洁净平台内的尘埃计数为0。手工加一垂帘充分保护。
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