A community-wide intercomparison exercise for the determination of dissolved iron in seawater

A.R. Bowie; E.P. Achterberg; P.l. Croot; H.J.W. de Baar; P. Laan; J.W Moffett; S. Ussher; P.J. Worsfold

doi:10.1016/j.marchem.2005.07.002

A community-wide intercomparison exercise for the determination of dissolved iron in seawater

A.R. Bowie
, E.P. Achterberg
, P.l. Croot
, H.J.W. de Baar
, P. Laan
, J.W Moffett
, S. Ussher
, P.J. Worsfold

Ocean Ecosystems

Research output: Contribution to journal › Article › Academic › peer-review

55 Citations (Scopus)

Abstract

The first large-scale international intercomparison of analytical methods for the determination of dissolved iron in seawater was carried out between October 2000 and December 2002. The exercise was conducted as a rigorously "blind" comparison of 7 analytical techniques by 24 international laboratories. The comparison was based on a large volume (700 L), filtered surface seawater sample collected from the South Atlantic Ocean (the "IRONAGES" sample), which was acidified, mixed and bottled at sea. Two 1-L sample bottles were sent to each participant. Integrity and blindness were achieved by having the experiment designed and carried out by a small team, and overseen by an independent data manager. Storage, homogeneity and time-series stability experiments conducted over 2.5 years showed that inter-bottle variability of the IRONAGES sample was good (

Original language	English
Pages (from-to)	81-99
Number of pages	19
Journal	Marine Chemistry
Volume	98
Issue number	1
DOIs	https://doi.org/10.1016/j.marchem.2005.07.002
Publication status	Published - 2006

Keywords

Large volume sample
IRONAGES
Intercomparison
Determination
Seawater
Iron

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title = "A community-wide intercomparison exercise for the determination of dissolved iron in seawater",

abstract = "The first large-scale international intercomparison of analytical methods for the determination of dissolved iron in seawater was carried out between October 2000 and December 2002. The exercise was conducted as a rigorously {"}blind{"} comparison of 7 analytical techniques by 24 international laboratories. The comparison was based on a large volume (700 L), filtered surface seawater sample collected from the South Atlantic Ocean (the {"}IRONAGES{"} sample), which was acidified, mixed and bottled at sea. Two 1-L sample bottles were sent to each participant. Integrity and blindness were achieved by having the experiment designed and carried out by a small team, and overseen by an independent data manager. Storage, homogeneity and time-series stability experiments conducted over 2.5 years showed that inter-bottle variability of the IRONAGES sample was good (",

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author = "A.R. Bowie and E.P. Achterberg and P.l. Croot and \{de Baar\}, H.J.W. and P. Laan and J.W Moffett and S. Ussher and P.J. Worsfold",

note = "Relation: http://www.rug.nl/research/cees/ Rights: University of Groningen, Centre for Ecological and Evolutionary Studies",

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doi = "10.1016/j.marchem.2005.07.002",

language = "English",

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T1 - A community-wide intercomparison exercise for the determination of dissolved iron in seawater

AU - Bowie, A.R.

AU - Achterberg, E.P.

AU - Croot, P.l.

AU - de Baar, H.J.W.

AU - Laan, P.

AU - Moffett, J.W

AU - Ussher, S.

AU - Worsfold, P.J.

N1 - Relation: http://www.rug.nl/research/cees/ Rights: University of Groningen, Centre for Ecological and Evolutionary Studies

PY - 2006

Y1 - 2006

N2 - The first large-scale international intercomparison of analytical methods for the determination of dissolved iron in seawater was carried out between October 2000 and December 2002. The exercise was conducted as a rigorously "blind" comparison of 7 analytical techniques by 24 international laboratories. The comparison was based on a large volume (700 L), filtered surface seawater sample collected from the South Atlantic Ocean (the "IRONAGES" sample), which was acidified, mixed and bottled at sea. Two 1-L sample bottles were sent to each participant. Integrity and blindness were achieved by having the experiment designed and carried out by a small team, and overseen by an independent data manager. Storage, homogeneity and time-series stability experiments conducted over 2.5 years showed that inter-bottle variability of the IRONAGES sample was good (

AB - The first large-scale international intercomparison of analytical methods for the determination of dissolved iron in seawater was carried out between October 2000 and December 2002. The exercise was conducted as a rigorously "blind" comparison of 7 analytical techniques by 24 international laboratories. The comparison was based on a large volume (700 L), filtered surface seawater sample collected from the South Atlantic Ocean (the "IRONAGES" sample), which was acidified, mixed and bottled at sea. Two 1-L sample bottles were sent to each participant. Integrity and blindness were achieved by having the experiment designed and carried out by a small team, and overseen by an independent data manager. Storage, homogeneity and time-series stability experiments conducted over 2.5 years showed that inter-bottle variability of the IRONAGES sample was good (

KW - Large volume sample

KW - IRONAGES

KW - Intercomparison

KW - Determination

KW - Seawater

KW - Iron

U2 - 10.1016/j.marchem.2005.07.002

DO - 10.1016/j.marchem.2005.07.002

M3 - Article

VL - 98

SP - 81

EP - 99

JO - Marine Chemistry

JF - Marine Chemistry

IS - 1

ER -

A community-wide intercomparison exercise for the determination of dissolved iron in seawater

Abstract

Keywords

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