Research article
|
26 Mar 2019
Research article |
|
26 Mar 2019
Chemical ionization quadrupole mass spectrometer with an electrical discharge ion source for atmospheric trace gas measurement
Philipp G. Eger , Frank Helleis , Gerhard Schuster , Gavin J. Phillips , Jos Lelieveld , and John N. Crowley
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Total article views: 4,035 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
2,658
1,271
106
4,035
464
141
163
HTML: 2,658
PDF: 1,271
XML: 106
Total: 4,035
Supplement: 464
BibTeX: 141
EndNote: 163
Views and downloads (calculated since 19 Dec 2018)
Month
HTML
PDF
XML
Total
Dec 2018
185
46
2
233
Jan 2019
101
17
1
119
Feb 2019
34
13
0
47
Mar 2019
161
59
2
222
Apr 2019
114
38
2
154
May 2019
26
22
0
48
Jun 2019
33
16
0
49
Jul 2019
20
10
0
30
Aug 2019
19
18
2
39
Sep 2019
28
25
2
55
Oct 2019
17
13
1
31
Nov 2019
18
24
0
42
Dec 2019
18
15
0
33
Jan 2020
18
17
1
36
Feb 2020
12
6
1
19
Mar 2020
12
13
1
26
Apr 2020
21
15
0
36
May 2020
17
14
0
31
Jun 2020
20
14
0
34
Jul 2020
38
27
3
68
Aug 2020
28
9
3
40
Sep 2020
14
7
0
21
Oct 2020
8
6
0
14
Nov 2020
12
13
1
26
Dec 2020
10
10
0
20
Jan 2021
13
11
0
24
Feb 2021
21
7
0
28
Mar 2021
22
15
0
37
Apr 2021
24
5
0
29
May 2021
22
13
1
36
Jun 2021
16
7
0
23
Jul 2021
20
14
1
35
Aug 2021
20
19
1
40
Sep 2021
17
14
1
32
Oct 2021
24
44
0
68
Nov 2021
13
30
0
43
Dec 2021
18
9
0
27
Jan 2022
17
10
5
32
Feb 2022
10
9
1
20
Mar 2022
15
11
1
27
Apr 2022
8
4
1
13
May 2022
30
11
0
41
Jun 2022
39
6
0
45
Jul 2022
54
1
0
55
Aug 2022
137
8
0
145
Sep 2022
21
8
0
29
Oct 2022
43
7
4
54
Nov 2022
24
16
1
41
Dec 2022
23
9
2
34
Jan 2023
17
8
1
26
Feb 2023
31
7
1
39
Mar 2023
23
13
2
38
Apr 2023
16
11
0
27
May 2023
8
11
1
20
Jun 2023
15
8
2
25
Jul 2023
9
3
1
13
Aug 2023
22
12
2
36
Sep 2023
23
20
3
46
Oct 2023
27
12
3
42
Nov 2023
4
8
0
12
Dec 2023
10
14
2
26
Jan 2024
28
17
0
45
Feb 2024
6
13
1
20
Mar 2024
23
21
3
47
Apr 2024
27
12
7
46
May 2024
24
13
4
41
Jun 2024
62
15
3
80
Jul 2024
50
11
2
63
Aug 2024
45
15
2
62
Sep 2024
13
12
1
26
Oct 2024
28
9
1
38
Nov 2024
25
17
2
44
Dec 2024
19
13
4
36
Jan 2025
21
18
0
39
Feb 2025
28
8
0
36
Mar 2025
28
19
0
47
Apr 2025
21
16
1
38
May 2025
43
23
1
67
Jun 2025
70
14
1
85
Jul 2025
52
15
4
71
Aug 2025
77
20
4
101
Sep 2025
69
31
1
101
Oct 2025
20
25
0
45
Nov 2025
39
32
5
76
Cumulative views and downloads
(calculated since 19 Dec 2018)
Month
HTML views
PDF downloads
XML downloads
Dec 2018
185
46
2
233
Jan 2019
286
63
3
352
Feb 2019
320
76
3
399
Mar 2019
481
135
5
621
Apr 2019
595
173
7
775
May 2019
621
195
7
823
Jun 2019
654
211
7
872
Jul 2019
674
221
7
902
Aug 2019
693
239
9
941
Sep 2019
721
264
11
996
Oct 2019
738
277
12
1,027
Nov 2019
756
301
12
1,069
Dec 2019
774
316
12
1,102
Jan 2020
792
333
13
1,138
Feb 2020
804
339
14
1,157
Mar 2020
816
352
15
1,183
Apr 2020
837
367
15
1,219
May 2020
854
381
15
1,250
Jun 2020
874
395
15
1,284
Jul 2020
912
422
18
1,352
Aug 2020
940
431
21
1,392
Sep 2020
954
438
21
1,413
Oct 2020
962
444
21
1,427
Nov 2020
974
457
22
1,453
Dec 2020
984
467
22
1,473
Jan 2021
997
478
22
1,497
Feb 2021
1,018
485
22
1,525
Mar 2021
1,040
500
22
1,562
Apr 2021
1,064
505
22
1,591
May 2021
1,086
518
23
1,627
Jun 2021
1,102
525
23
1,650
Jul 2021
1,122
539
24
1,685
Aug 2021
1,142
558
25
1,725
Sep 2021
1,159
572
26
1,757
Oct 2021
1,183
616
26
1,825
Nov 2021
1,196
646
26
1,868
Dec 2021
1,214
655
26
1,895
Jan 2022
1,231
665
31
1,927
Feb 2022
1,241
674
32
1,947
Mar 2022
1,256
685
33
1,974
Apr 2022
1,264
689
34
1,987
May 2022
1,294
700
34
2,028
Jun 2022
1,333
706
34
2,073
Jul 2022
1,387
707
34
2,128
Aug 2022
1,524
715
34
2,273
Sep 2022
1,545
723
34
2,302
Oct 2022
1,588
730
38
2,356
Nov 2022
1,612
746
39
2,397
Dec 2022
1,635
755
41
2,431
Jan 2023
1,652
763
42
2,457
Feb 2023
1,683
770
43
2,496
Mar 2023
1,706
783
45
2,534
Apr 2023
1,722
794
45
2,561
May 2023
1,730
805
46
2,581
Jun 2023
1,745
813
48
2,606
Jul 2023
1,754
816
49
2,619
Aug 2023
1,776
828
51
2,655
Sep 2023
1,799
848
54
2,701
Oct 2023
1,826
860
57
2,743
Nov 2023
1,830
868
57
2,755
Dec 2023
1,840
882
59
2,781
Jan 2024
1,868
899
59
2,826
Feb 2024
1,874
912
60
2,846
Mar 2024
1,897
933
63
2,893
Apr 2024
1,924
945
70
2,939
May 2024
1,948
958
74
2,980
Jun 2024
2,010
973
77
3,060
Jul 2024
2,060
984
79
3,123
Aug 2024
2,105
999
81
3,185
Sep 2024
2,118
1,011
82
3,211
Oct 2024
2,146
1,020
83
3,249
Nov 2024
2,171
1,037
85
3,293
Dec 2024
2,190
1,050
89
3,329
Jan 2025
2,211
1,068
89
3,368
Feb 2025
2,239
1,076
89
3,404
Mar 2025
2,267
1,095
89
3,451
Apr 2025
2,288
1,111
90
3,489
May 2025
2,331
1,134
91
3,556
Jun 2025
2,401
1,148
92
3,641
Jul 2025
2,453
1,163
96
3,712
Aug 2025
2,530
1,183
100
3,813
Sep 2025
2,599
1,214
101
3,914
Oct 2025
2,619
1,239
101
3,959
Nov 2025
2,658
1,271
106
4,035
Total article views: 3,280 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
2,244
942
94
3,280
291
130
149
HTML: 2,244
PDF: 942
XML: 94
Total: 3,280
Supplement: 291
BibTeX: 130
EndNote: 149
Views and downloads (calculated since 26 Mar 2019)
Month
HTML
PDF
XML
Total
Mar 2019
131
48
2
181
Apr 2019
105
35
2
142
May 2019
20
20
0
40
Jun 2019
28
14
0
42
Jul 2019
19
7
0
26
Aug 2019
14
17
2
33
Sep 2019
27
18
2
47
Oct 2019
17
13
1
31
Nov 2019
18
20
0
38
Dec 2019
18
13
0
31
Jan 2020
17
15
1
33
Feb 2020
11
6
1
18
Mar 2020
11
10
1
22
Apr 2020
20
13
0
33
May 2020
17
11
0
28
Jun 2020
15
7
0
22
Jul 2020
36
14
3
53
Aug 2020
27
4
3
34
Sep 2020
13
4
0
17
Oct 2020
8
5
0
13
Nov 2020
12
8
1
21
Dec 2020
10
8
0
18
Jan 2021
12
7
0
19
Feb 2021
21
6
0
27
Mar 2021
21
9
0
30
Apr 2021
24
3
0
27
May 2021
21
6
1
28
Jun 2021
16
6
0
22
Jul 2021
19
8
1
28
Aug 2021
20
12
1
33
Sep 2021
17
14
1
32
Oct 2021
24
41
0
65
Nov 2021
12
25
0
37
Dec 2021
18
6
0
24
Jan 2022
17
9
4
30
Feb 2022
10
6
1
17
Mar 2022
14
7
1
22
Apr 2022
8
3
1
12
May 2022
30
10
0
40
Jun 2022
39
3
0
42
Jul 2022
54
1
0
55
Aug 2022
137
7
0
144
Sep 2022
21
5
0
26
Oct 2022
42
6
3
51
Nov 2022
22
14
1
37
Dec 2022
23
6
2
31
Jan 2023
17
7
1
25
Feb 2023
31
4
1
36
Mar 2023
22
11
0
33
Apr 2023
16
8
0
24
May 2023
7
6
1
14
Jun 2023
13
8
1
22
Jul 2023
8
3
0
11
Aug 2023
22
9
2
33
Sep 2023
23
17
3
43
Oct 2023
27
9
3
39
Nov 2023
4
5
0
9
Dec 2023
10
12
2
24
Jan 2024
27
15
0
42
Feb 2024
6
10
1
17
Mar 2024
23
18
3
44
Apr 2024
27
8
7
42
May 2024
24
9
4
37
Jun 2024
61
12
3
76
Jul 2024
50
9
2
61
Aug 2024
43
12
2
57
Sep 2024
13
10
1
24
Oct 2024
28
8
1
37
Nov 2024
24
12
2
38
Dec 2024
19
8
4
31
Jan 2025
21
15
0
36
Feb 2025
25
7
0
32
Mar 2025
28
18
0
46
Apr 2025
21
12
1
34
May 2025
42
18
1
61
Jun 2025
69
14
1
84
Jul 2025
52
13
3
68
Aug 2025
77
17
3
97
Sep 2025
69
23
1
93
Oct 2025
20
21
0
41
Nov 2025
39
24
4
67
Cumulative views and downloads
(calculated since 26 Mar 2019)
Month
HTML views
PDF downloads
XML downloads
Mar 2019
131
48
2
Apr 2019
236
83
4
May 2019
256
103
4
Jun 2019
284
117
4
Jul 2019
303
124
4
Aug 2019
317
141
6
Sep 2019
344
159
8
Oct 2019
361
172
9
Nov 2019
379
192
9
Dec 2019
397
205
9
Jan 2020
414
220
10
Feb 2020
425
226
11
Mar 2020
436
236
12
Apr 2020
456
249
12
May 2020
473
260
12
Jun 2020
488
267
12
Jul 2020
524
281
15
Aug 2020
551
285
18
Sep 2020
564
289
18
Oct 2020
572
294
18
Nov 2020
584
302
19
Dec 2020
594
310
19
Jan 2021
606
317
19
Feb 2021
627
323
19
Mar 2021
648
332
19
Apr 2021
672
335
19
May 2021
693
341
20
Jun 2021
709
347
20
Jul 2021
728
355
21
Aug 2021
748
367
22
Sep 2021
765
381
23
Oct 2021
789
422
23
Nov 2021
801
447
23
Dec 2021
819
453
23
Jan 2022
836
462
27
Feb 2022
846
468
28
Mar 2022
860
475
29
Apr 2022
868
478
30
May 2022
898
488
30
Jun 2022
937
491
30
Jul 2022
991
492
30
Aug 2022
1,128
499
30
Sep 2022
1,149
504
30
Oct 2022
1,191
510
33
Nov 2022
1,213
524
34
Dec 2022
1,236
530
36
Jan 2023
1,253
537
37
Feb 2023
1,284
541
38
Mar 2023
1,306
552
38
Apr 2023
1,322
560
38
May 2023
1,329
566
39
Jun 2023
1,342
574
40
Jul 2023
1,350
577
40
Aug 2023
1,372
586
42
Sep 2023
1,395
603
45
Oct 2023
1,422
612
48
Nov 2023
1,426
617
48
Dec 2023
1,436
629
50
Jan 2024
1,463
644
50
Feb 2024
1,469
654
51
Mar 2024
1,492
672
54
Apr 2024
1,519
680
61
May 2024
1,543
689
65
Jun 2024
1,604
701
68
Jul 2024
1,654
710
70
Aug 2024
1,697
722
72
Sep 2024
1,710
732
73
Oct 2024
1,738
740
74
Nov 2024
1,762
752
76
Dec 2024
1,781
760
80
Jan 2025
1,802
775
80
Feb 2025
1,827
782
80
Mar 2025
1,855
800
80
Apr 2025
1,876
812
81
May 2025
1,918
830
82
Jun 2025
1,987
844
83
Jul 2025
2,039
857
86
Aug 2025
2,116
874
89
Sep 2025
2,185
897
90
Oct 2025
2,205
918
90
Nov 2025
2,244
942
94
Total article views: 755 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
414
329
12
755
173
11
14
HTML: 414
PDF: 329
XML: 12
Total: 755
Supplement: 173
BibTeX: 11
EndNote: 14
Views and downloads (calculated since 19 Dec 2018)
Month
HTML
PDF
XML
Total
Dec 2018
185
46
2
233
Jan 2019
101
17
1
119
Feb 2019
34
13
0
47
Mar 2019
30
11
0
41
Apr 2019
9
3
0
12
May 2019
6
2
0
8
Jun 2019
5
2
0
7
Jul 2019
1
3
0
4
Aug 2019
5
1
0
6
Sep 2019
1
7
0
8
Oct 2019
0
Nov 2019
4
0
4
Dec 2019
2
0
2
Jan 2020
1
2
0
3
Feb 2020
1
0
1
Mar 2020
1
3
0
4
Apr 2020
1
2
0
3
May 2020
3
0
3
Jun 2020
5
7
0
12
Jul 2020
2
13
0
15
Aug 2020
1
5
0
6
Sep 2020
1
3
0
4
Oct 2020
1
0
1
Nov 2020
5
0
5
Dec 2020
2
0
2
Jan 2021
1
4
0
5
Feb 2021
1
0
1
Mar 2021
1
6
0
7
Apr 2021
2
0
2
May 2021
1
7
0
8
Jun 2021
1
0
1
Jul 2021
1
6
0
7
Aug 2021
7
0
7
Sep 2021
0
Oct 2021
3
0
3
Nov 2021
1
5
0
6
Dec 2021
3
0
3
Jan 2022
1
1
2
Feb 2022
3
0
3
Mar 2022
1
4
0
5
Apr 2022
1
0
1
May 2022
1
0
1
Jun 2022
3
0
3
Jul 2022
0
Aug 2022
1
0
1
Sep 2022
3
0
3
Oct 2022
1
1
1
3
Nov 2022
2
2
0
4
Dec 2022
3
0
3
Jan 2023
1
0
1
Feb 2023
3
0
3
Mar 2023
1
2
2
5
Apr 2023
3
0
3
May 2023
1
5
0
6
Jun 2023
2
1
3
Jul 2023
1
1
2
Aug 2023
3
0
3
Sep 2023
3
0
3
Oct 2023
3
0
3
Nov 2023
3
0
3
Dec 2023
2
0
2
Jan 2024
1
2
0
3
Feb 2024
3
0
3
Mar 2024
3
0
3
Apr 2024
4
0
4
May 2024
4
0
4
Jun 2024
1
3
0
4
Jul 2024
2
0
2
Aug 2024
2
3
0
5
Sep 2024
2
0
2
Oct 2024
1
0
1
Nov 2024
1
5
0
6
Dec 2024
5
0
5
Jan 2025
3
0
3
Feb 2025
3
1
0
4
Mar 2025
1
0
1
Apr 2025
4
0
4
May 2025
1
5
0
6
Jun 2025
1
0
1
Jul 2025
2
1
3
Aug 2025
3
1
4
Sep 2025
8
0
8
Oct 2025
4
0
4
Nov 2025
8
1
9
Cumulative views and downloads
(calculated since 19 Dec 2018)
Month
HTML views
PDF downloads
XML downloads
Dec 2018
185
46
2
Jan 2019
286
63
3
Feb 2019
320
76
3
Mar 2019
350
87
3
Apr 2019
359
90
3
May 2019
365
92
3
Jun 2019
370
94
3
Jul 2019
371
97
3
Aug 2019
376
98
3
Sep 2019
377
105
3
Oct 2019
377
105
3
Nov 2019
377
109
3
Dec 2019
377
111
3
Jan 2020
378
113
3
Feb 2020
379
113
3
Mar 2020
380
116
3
Apr 2020
381
118
3
May 2020
381
121
3
Jun 2020
386
128
3
Jul 2020
388
141
3
Aug 2020
389
146
3
Sep 2020
390
149
3
Oct 2020
390
150
3
Nov 2020
390
155
3
Dec 2020
390
157
3
Jan 2021
391
161
3
Feb 2021
391
162
3
Mar 2021
392
168
3
Apr 2021
392
170
3
May 2021
393
177
3
Jun 2021
393
178
3
Jul 2021
394
184
3
Aug 2021
394
191
3
Sep 2021
394
191
3
Oct 2021
394
194
3
Nov 2021
395
199
3
Dec 2021
395
202
3
Jan 2022
395
203
4
Feb 2022
395
206
4
Mar 2022
396
210
4
Apr 2022
396
211
4
May 2022
396
212
4
Jun 2022
396
215
4
Jul 2022
396
215
4
Aug 2022
396
216
4
Sep 2022
396
219
4
Oct 2022
397
220
5
Nov 2022
399
222
5
Dec 2022
399
225
5
Jan 2023
399
226
5
Feb 2023
399
229
5
Mar 2023
400
231
7
Apr 2023
400
234
7
May 2023
401
239
7
Jun 2023
403
239
8
Jul 2023
404
239
9
Aug 2023
404
242
9
Sep 2023
404
245
9
Oct 2023
404
248
9
Nov 2023
404
251
9
Dec 2023
404
253
9
Jan 2024
405
255
9
Feb 2024
405
258
9
Mar 2024
405
261
9
Apr 2024
405
265
9
May 2024
405
269
9
Jun 2024
406
272
9
Jul 2024
406
274
9
Aug 2024
408
277
9
Sep 2024
408
279
9
Oct 2024
408
280
9
Nov 2024
409
285
9
Dec 2024
409
290
9
Jan 2025
409
293
9
Feb 2025
412
294
9
Mar 2025
412
295
9
Apr 2025
412
299
9
May 2025
413
304
9
Jun 2025
414
304
9
Jul 2025
414
306
10
Aug 2025
414
309
11
Sep 2025
414
317
11
Oct 2025
414
321
11
Nov 2025
414
329
12
Viewed (geographical distribution)
Total article views: 4,035 (including HTML, PDF, and XML)
Thereof 3,659 with geography defined
and 376 with unknown origin.
Total article views: 3,280 (including HTML, PDF, and XML)
Thereof 3,069 with geography defined
and 211 with unknown origin.
Total article views: 755 (including HTML, PDF, and XML)
Thereof 590 with geography defined
and 165 with unknown origin.
Total:
0
HTML:
0
PDF:
0
XML:
0
Total:
0
HTML:
0
PDF:
0
XML:
0
Total:
0
HTML:
0
PDF:
0
XML:
0
Latest update: 27 Nov 2025