... U.S.A.
tel: 21 2-6 9 6-9 000; fax: 21 2-6 8 5- 4 54 0
Distribution and Customer Service
Marcel Dekker, Inc., Cimarron Road, Monticello, New York 12701, U.S.A.
tel: 80 0-2 2 8-1 160; fax: 84 5- 7 9 6-1 772
Eastern ... overlapping lines include iron at 271.90 25
and platinum at 271.9038 nm, aluminum at 308.2 155 and vanadium at
308.2111 nm, and silicon at 250 .6899 and...
... between 51 2 51 2
and 4096 Â4096. There are several different types of such so-called charge-
transfer devices (CTD), including charge-coupled (CCD), segmented
charge-coupled (SCD), and charge-injection ... optimization criteria
are signal-to-background ratio and signal-to-noise ratio. In most instances,
however, ICP-AES is used as a multielement tool, and therefore compro-
mise opera...
... 10 2000 5. 65 6. 05 5.81 0. 15
40 420 5. 68 5. 86 5. 78 0.07
100 150 5. 77 5. 84 5. 80 0.03
a
Five analyses. SD, standard deviation.
Source: Tabatabai and Bremner (1970).
Automated Instruments 253
TM
Copyright ... (s)
Burn
cycle
Lance
flow
Purge
flow
Flow
time (s)
1 OffOn5 1 OffOn5
2 On On 15 2 On On 5
3 On On 15 3 On On 5
4 On Off 25 4 On Off 95
5 On On End 5 On Off End
Source:...
... (e.g.,
241
Am and
243
Am at 5. 5 and
5. 35 MeV, respectively) are not always cleanly resolved (Dacheux and
Aupiais, 1997, 1998).
Scintillation counting can also be used to measure -photons. Since
these ... d and a denote daughter and a, respectively and
v
a
v
d
¼
M
d
M
a
¼
234
4
¼ 58 :5 ð2Þ
The ratio of the kinetic energies E
d
/E
a
is thus
234 Âð1Þ
2
4 Â 58 :5
2
¼ 0:017
In...
... D/H,
13
C/
12
C,
15
N/
14
N,
18
O/
16
O,
and
34
S/
32
S. By Definition, the Value of Each is 0ø
Isotope pair Standard material R
standard
A
D/H Vienna Standard mean Ocean Water
(V-SMOW)
0.000 155 76 0.0 155 7
18
O/
16
O Vienna Standard ... measurement of
15
N.
Rapid Commun. Mass Spec. 13: 153 1– 153 4.
Johnston, A.M., Scrimgeour, C.M., Kennedy, H.A., and Handley, L.L. 2003.
Isolati...
... agricultural soil.
Glob. Biogeochem. Cycl. 14: 85 95.
Davidson, E.A. and S.E. Trumbore. 19 95. Gas diffusivity and production of CO
2
in
deep soils of the eastern Amazon. Tellus 47B :55 0 56 5.
Measurement ... soil
atmosphere. In: Soil Analysis. 2d ed. (Smith, K.A., ed.). Marcel Dekker,
New York, pp. 50 5 54 6.
Smith, K.A. and K.E. Dobbie. 2001. The impact of sampling frequency...
... Netherlands.
Sun, J., R. Desjardins, L. Mahrt, and J.I. MacPherson. 1998. Transport of carbon
dioxide, water vapor and ozone by turbulence and local circulations.
J. Geophys. Res. 103: 258 73– 258 85.
Sutton, ... Meteorol.
93:211–2 25.
Miranda, A., P.G. Jarvis, and J. Grace. 1984. Transpiration and evaporation from
heather moorland. Bound Lay. Meteorol. 28:227–243.
Moncrieff, J.B.,...