Keywords

Delayed Neutron Counting



Keyword Definition

Irradiate the sample in a neutron flux.  Remove the sample from the reactor and, after a suitable decay period, measure the neutron emission count using boron trifluoride neutron spectrometers.



Hierarchical classification

Technique >> Radiochemical methods >> Activation analysis >> Neutron activation >> Fission >> Delayed Neutron Counting

Children

None


Category: Analytical techniques

The different kinds of analytical techniques have been classified hierarchically. Examples: “AAS”, “FA-NA”. Taken from the “Analytical_Techniques_SHARED” database table.


Associated Analytical Suites:

IndexSuite IDSuite Name
1  75     Bondar-Clegg U NADNC
2  88     Chemex U NADNC
3  116     AECL U NADNC
4  144     Bondar-Clegg U NADNC dl: 0.1ppm
5  183     AECL (lake sediments) NADNC (U) (details unknown)
6  215     AECL (lake sediments)  NADNC (U) 60s irradiation,60s count
7  345     AECL (lake sediments) NADNC (U) 20s irradiation, 20s count
8  349     Novatrack Analysts Limited (stream sediments) NADNC (U) 10**11 flux
9  363     Nova Track Limited (stream sediments) NADNA (U) – in flux density 2x10**11 to 1x10**12 N/cm**2 s
10  390     Chemex (lake sediment) NADNC (U)-flux 1012, d.l.= 0.05ppm
11  391     Chemex (lake sediment) NADNC(U)-flux 8x1013, d.l.= 0.2ppm
12  404     Barringer (lake and stream sediment) NADNC (U-flux 8x10**13, d.l.=0.5 ppm)
13  419     Barringer (lake and stream  sediment) NADNC(U)
14  427     Bondar Clegg (stream sediment) NADNC(U)
15  434     Barringer  (stream sediment) NADNC (U – 5x10**11, BF3 detectors, 20s, d.l.=0.5)
16  436     Barringer  (stream sediment) NADNC (U – 5x10**11, BF3 detectors, 60s, d.l.=0.2)
17  437     Uranium (lake and stream sediment) NADNC ( U – 5**10, He detector, 20s, d.l.=0.5)
18  450     Chemex (lake and stream sediment) NADNC ( U – 5**10, He detector, 20s, d.l.=0.5)
19  611     Chemex (lake sediment) NADNC(U)-flux 8x1013, d.l.= 0.5ppm
20  676     NGR BC NADNC stream sediments and moss mats (U)

Associated Analytical Packages:

IndexPackage IDPackage Name
1  49     Bondar Clegg INAA + AAS + HY-AAS + F ISE + Hg-CVAAS + U NADNC + LOI
2  57     Bondar Clegg AAS, U NADNC, As col
3  58     Chemex AAS, U NADNC, As col
4  71     AECL U NADNC
5  74     Bondar Clegg U NADNC
6  135     AECL (URP lake and stream sediment) NADNC(U) (details unknown)
7  154     AECL (URP lake and stream sediment) NADNC(U)
8  294     Chemex (NGR lake sed 1983 samples) AAS (8+4), CVAAS (Hg), LOI500, U, ISE( F)
9  309     Bondar Clegg (NGR BC stream sediment) AAS (8+6), Ba (XRF), CVAAS (Hg), W, LOI, F, U(10**12)
10  310     Chemex (NGR BC stream sediment and moss mat samples, 1988)
11  311     Barringer Magenta (NGR BC stream sediment and moss mat samples, 1989)
12  372     AECL (URP lake and stream sediment) NADNC(U) 20s irradiation, 20s count
13  375     Novatrack Analysts Limited (URP stream sediment) NADNC(U)
14  380     Nova Track Ltd (stream sediments) NADNC Uranium
15  386     Chemex (NGR lake sediment) AAS (8+4), CVAAS (Hg), LOI500, U
16  387     Chemex (NGR lake sediment, 1982 samples) AAS (8+4), CVAAS (Hg), LOI500, U, ISE(F)
17  390     Chemex (NGR stream sediment) AAS (8+3), cold vapour (Hg), COL(W), NADNC(U)
18  391     Barringer (NGR lake sediment) AAS (8+5), CV (Hg), COL(W), LOI500, ISE(F), NADNC(U)
19  393     Barringer (NGR lake sediment) AAS (8+5), CV (Hg), LOI500,  NADNC(U)
20  394     Barringer (NGR stream sediment) AAS (8+6), CVAAS (Hg), COL(W), LOI500, NADNC(U)
21  396     Barringer (NGR lake sediment) AAS (8+5), CVAAS (Hg), COL(W), LOI500, ISE(F), NADNC(U)
22  398     Barringer (NGR stream sediment, NB, 1985) AAS (8+7), CVAAS (Hg), COL(W), LOI500, ISE(F), U
23  400     Barringer (NGR lake sediment) AAS (8+Cd+As+Mo+V+Sb), CVAAS (Hg), LOI500, ISE(F), NADNC(U)
24  401     Barringer (NGR lake sediment) AAS (8+5), CVAAS (Hg), LOI500, NADNC(U)
25  403     Bondar Clegg (NGR stream sediment) AAS (8+5), CVAAS (Hg), COL(W), U
26  405     Barringer (NGR stream sediment, BC, 1985) AAS (8+7), CVAAS (Hg), COL(W), LOI500, ISE(F), U
27  406     Barringer (NGR stream sediment) AAS (8+7, CVAAS (Hg), COL(W), LOI500, ISE(F), U
28  409     Barringer (NGR stream sediment) AAS (Cd+As+Sn+Sb+Mo+V), CVAAS (Hg), LOI, ISE(F) , U
29  412     Bondar Clegg (NGR stream sediment) AAS (8+7), CVAAS (Hg),W, LOI, F, U
30  413     Barringer (NGR lake sediment) AAS (8+5), CVAAS (Hg), LOI, F, U(5**10)
31  415     Barringer (NGR lake sediment) AAS (8+5), CVAAS (Hg), LOI, U(5**10)
32  416     Chemex (NGR lake sediment) AAS (8+5), CVAAS (Hg), COL(W), LOI, NADNC (U-5**10)
33  417     Chemex (NGR stream sediment)  AAS (8+5), CVAAS (Hg), COL(W), LOI, NADNC (U-5**10)
34  419     Bondar Clegg (NGR lake sediment) AAS (8+5), CVAAS (Hg), LOI, F, U(5**10, He detector, 20s, d.l.=0.5)
35  421     Bondar Clegg (NGR lake sediment) AAS 8+6+Ba (HCLO4 only)), CVAAS (Hg),W, LOI, F, U(10**12)
36  422     Bondar Clegg (NGR stream sediment) AAS (8+6), Ba (HClO4 only), CVAAS (Hg), W, LOI, F, U(10**12)
37  423     Bondar Clegg (NGR lake sediment) AAS (8+5), CVAAS (Hg), LOI, F, U(10**12)
38  426     Bondar Clegg (NGR stream sediment) AAS (8+6), DCP (Ba), CVAAS (Hg), W, LOI, F, U
39  427     Bondar Clegg (NGR stream sediment) AAS(8+6), DCP (Ba), CV(Hg), COL (W), LOI at 500°C, F, U
40  429     Bondar Clegg (NGR lake sediment) AAS (8+5), CV(Hg), LOI at 500C, F, U - 10**12 flux
41  430     Barringer (NGR lake sediment) AAS(8+6), DCP(Ba), CV(Hg), LOI, W, F, U
42  432     Bondar Clegg (NGR lake sediment) AAS(8+7), CV(Hg), LOI, W, F, U
43  439     Bondar Clegg (NGR stream sediment) AAS(8+6), CV(Hg), LOI, F, U
44  440     Bondar Clegg (NGR lake sediment) AAS (8+3+(Mo+V: 2.5 ml conc)), CVAAS (Hg), LOI, F, U(10**12)
Date modified: