Blar i Norsk institutt for vannforskning på emneord "kvalitetskontroll"
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ENSIS, Measurement (part II) and geography. Functional specification
(NIVA-rapport;4687, Research report, 2003)This document is a detailed functionality description of the Measurements Module in the user requirements for ENSIS 3.0. The document is intended to give a cost and time estimate of the programming of the functionality it ... -
Intercomparison 0014: pH, Cond, HCO3, NO3+ NO2, Cl, SO4,Ca, Mg, Na, K, total-aluminium, aluminium - reactive and nonlabile, DOC, COD-Mn, Fe, Mn, Cd, Pb, Cu, Ni and Zn (ICP Waters report 55/2000)
(NIVA-rapport;4281, Research report, 2000-09)71 laboratories received samples for the intercomparison 0014, and 65 laboratories in 26 countries submitted results. Three sample sets were used, one for the determination of major ions, one for organic matter and aluminium ... -
Intercomparison 0115: pH, K25, HCO3, NO3+ NO2, Cl, SO4,Ca, Mg, Na, K, total aluminium, aluminium - reactive and nonlabile, TOC, COD-Mn, Fe, Mn, Cd, Pb, Cu, Ni and Zn (ICP Waters report 64/2001)
(NIVA-rapport;4416, Research report, 2001-08)77 laboratories received samples for the intercomparison 0115, and 72 laboratories in 26 countries submitted results. Three sample sets were used, one for the determination of major ions, one for organic matter and aluminium ... -
Intercomparison 0216: pH, K25, HCO3, NO3+ NO2, Cl, SO4, Ca, Mg, Na, K, Fe, Mn, Cd, Pb, Cu,Ni and Zn (ICP Waters report 68/2002)
(NIVA-rapport;4558, Research report, 2002-08)79 laboratories received samples for the intercomparison 0216, and 75 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 0317: pH, Cond, HCO3, NO3+NO2 C1, SO4, Ca, Mg, Na, K, Fe, Mn, Cd, Pb, Cu, Ni and Zn (ICP Waters report 74/2003)
(NIVA-rapport;4715, Research report, 2003-11)75 laboratories received samples for the intercomparison 0317, and 69 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 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 9408. pH, conductivity, alkalinity, nitrate + nitrite, chloride, sulfate, calcium, magnesium, sodium, potassium, total aluminium, dissolved organic carbon, and chemical oxygen demand (ICP Waters report)
(NIVA-rapport;3142, Research report, 1994-10)26 laboratories in 17 countries participated in intercomparison 9408. Based on the general target accuracy of +-20%, 81% of the results were acceptable. However, for pH only 54% and 59% of the result pairs in the two sample ... -
Intercomparison 9509. pH, conductivity, alkalinity, nitrate +/- nitrite, chloride, sulfate, calcium, magnesium, sodium, potassium, total aluminium, reactive and non-labile aluminium, dissolved organic carbon, and chemical oxygen demand (ICP Waters report)
(NIVA-rapport;3331, Research report, 1995-10)46 laboratories in 21 countries participated in intercomparison 9509. Two sample sets, one for the major ions and one for organic matter and aluminium fractions, were used. Based on the general target accuracy of + 20 %, ... -
Intercomparison 9913 of the International Cooperative Programme on Assessment and Monitoring of Acidification of Rivers and Lakes (ICP Waters report 51/1999)
(NIVA-rapport;4093, Research report, 1999-09)57 laboratories in 24 countries participated in intercomparison 9913. Two sample sets were used, one for the determination of major ions and one for organic matter and aluminium fractions. Based on the general target ... -
Intern kvalitetskontroll. Håndbok for vannanalyselaboratorier
(NIVA-rapport;1897, Research report, 1992)Med støtte fra Nordisk Ministerråd har en felles nordisk arbeidsgruppe utarbeidet en danskspråklig "Håndbog i intern kvalitetskontrol på vandlaboratorier". Arbeidsgruppen har bestått av: Vibeke B. Jensen, VKI, Danmark; ... -
Kvalitetstest av vannlaboratorier. Løst fosfat, totalfosfor og suspendert stoff
(NIVA-rapport;2010, Research report, 1987)Ved en ringtest sommeren 1986 bestemte 4 regionale laboratorier løst fosfat, totalfosfor og suspendert stoff i naturlig og syntetisk prøvemateriale. Resultatene for totalfosfor var meget tilfredstillende, mens løst fosfat ...