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Intercomparison 0418: pH, Cond, HCO3 NO3+NO2, C1, SO4, Ca, Mg, Na, K, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 78/2004)
(NIVA-rapport;4875, Research report, 2004-11)68 laboratories received samples for the intercomparison 0418, and 63 laboratories in 27 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 0519: pH, Cond, HCO3, NO3+NO2, C1, SO4, Ca, Mg, Na, K, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 82/2005)
(NIVA-rapport;5068, Research report, 2005-09)79 laboratories received samples for the intercomparison 0519, and 75 laboratories in 30 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 0620: pH, Cond, HCO3, NO3+NO2, Cl, SO4, Ca, Mg, Na, K, Fe, Mn, Cd, Pb, Cu, Ni and Zn (ICP Waters report 86/2006)
(NIVA-rapport;5285, Research report, 2006-10)73 laboratories received samples for the intercomparison 0620, and 67 laboratories in 26 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 0721: pH, Cond, HCO3, NO3-N, C1, SO4, Ca, Mg, Na, K, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 90/2007)
(NIVA-rapport;5486, Research report, 2007-11)75 laboratories received samples for the intercomparison 0721, and 72 laboratories in 28 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 0822: pH, Cond, HCO3, NO3-N, C1, SO4, Ca, Mg, Na, K, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 93/2008)
(NIVA-rapport;5660, Research report, 2008-09)76 laboratories received samples for the intercomparison 0822, and 74 laboratories in 29 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 0923: pH, Cond, HCO3, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 98/2009)
(NIVA-rapport;5845, Research report, 2009-10)72 laboratories received samples for the intercomparison 0923, and 68 laboratories in 29 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 1024: pH, Cond, HCO3, NO3-N, CI, SO4, Ca, Mg, Na, K, TOC, A1, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 102/2010)
(NIVA-rapport;6029, Research report, 2010-09)75 laboratories received samples for the intercomparison 1024, and 65 laboratories in 25 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 1125: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 107/2011)
(NIVA-rapport;6222, Research report, 2011-08)67 laboratories received samples for the intercomparison 1125, and 57 laboratories in 25 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 1226: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 111/2012)
(NIVA-rapport;6412, Research report, 2012-12)71 laboratories received samples for the intercomparison 1226, and 68 laboratories in 26 countries submitted results. Two sample sets were used, one for the determination of major ions, and one for heavy metals. Based on ... -
Intercomparison 1327: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 116/2013)
(NIVA-rapport;6569, Research report, 2013-09)In the current ICP Waters Intercomparison program, 106 laboratories were invited to participate. 66 accepted the invitation and 60 laboratories from 28 countries submitted results. Two sample sets were used, one for the ... -
Intercomparison 1428: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn (ICP Waters report 120/2014)
(NIVA-rapport;6718, Research report, 2014-09)In the current edition of the ICP Waters Intercomparison program, 64 laboratories were invited to participate. 33 from 12 different countries accepted the invitation and all the participants submitted results to the ... -
Intercomparison 1529: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn
(NIVA-rapport;6910, Research report, 2015)81 laboratories were invited to participate in the current intercomparison. Of these, 40 from 19 different countries accepted the invitation and 39 of them submitted results to the Organization. Two sample sets were prepared: ... -
Intercomparison 1630: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni and Zn. ICP Waters report 129/2016
(NIVA-rapport;7081, Research report, 2016-09)89 laboratories were invited to participate in the current intercomparison. Of these, 35 from 20 different countries accepted the invitation and all of them submitted results to the ICP Waters. Two sample sets were prepared: ... -
Intercomparison 1731: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn
(NIVA-rapport;7207, Research report, 2017)88 laboratories were invited to participate in the current intercomparison. Of these, 38 from 21 different countries accepted the invitation and all of them submitted results to the Organization. Two sample sets were ... -
Intercomparison 1832: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Tot-P, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn
(NIVA-rapport;7316, Research report, 2018)In the current edition, 32 laboratories from 19 countries were included in the 2019 ICP-Waters intercomparison. Similar to earlier intercomparisons, two sample sets were prepared: one for the determination of major ions ... -
Intercomparison 1933: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Tot-P, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn
(NIVA-rapport;7445, Research report, 2019)A total of 36 laboratories from 19 different countries accepted the invitation to join the ICP-Waters chemical intercomparison, and 33 laboratories from 16 different countries successfully reported results. Two sets of ... -
Intercomparison 2034: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Tot-P, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn
(NIVA-rapport;7621, Research report, 2021)Twenty-one laboratories from 13 countries accepted the invitation to join the ICP Waters chemical intercomparison and successfully reported results. The lower number of participants this year likely resulted from the global ... -
Intercomparison 2135: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Tot-P, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn
(NIVA-rapport;7681, Research report, 2021)Thirty-two laboratories from 17 countries accepted the invitation to join the ICP Waters chemical intercomparison and thirty of these successfully reported their results. Two sets of samples were prepared and successfully ... -
Intercomparison 2236: pH, Conductivity, Alkalinity, NO3-N, Cl, SO3, Ca, Mg, Na, K, TOC, Tot-P, Tot-N, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn.
(NIVA-rapport;7792-2022, Research report, 2022)Twenty-six laboratories from 15 countries accepted the invitation to join the ICP Waters chemical intercomparison and twenty-three of these successfully reported their results. Two sets of samples were prepared and distributed ... -
Intercomparison 2337: pH, Conductivity, Alkalinity, NO3-N, Cl, SO4, Ca, Mg, Na, K, TOC, Tot-P, Tot-N, Al, Fe, Mn, Cd, Pb, Cu, Ni, and Zn.
(NIVA-rapport;7918-2023, Research report, 2023)Twenty laboratories from fifteen countries accepted the invitation to join the ICP Waters chemical intercomparison. Two sets of samples were prepared and distributed to the participants: one for the determination of ions ...