Browsing Norsk institutt for vannforskning by Subject "intercalibration"
Now showing items 1-20 of 44
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Biological intercalibration: Invertebrates 0905 (ICP Waters report 81/2005)
(NIVA-rapport;5067, Research report, 2005-09)The 9th intercalibration of invertebrates in the ICP Waters programme had contribution from 4 laboratories. Most of the laboratories identified a high portion of the individuals in the test samples, usually > 90% of the ... -
Biological intercalibration: Invertebrates 1006 (ICP Waters report 85/2006)
(NIVA-rapport;5314, Research report, 2006-12) -
Biological intercalibration: Invertebrates 1107 (ICP Waters report 91/2008)
(NIVA-rapport;5551, Research report, 2008-02) -
Biological intercalibration: Invertebrates 1208 (ICP Waters report 95/2008)
(NIVA-rapport;5706, Research report, 2008-11) -
Biological intercalibration: Invertebrates 1309 (ICP Waters report 99/2009)
(NIVA-rapport;5883, Research report, 2009-12)The 13th intercalibration of invertebrates in the ICP Waters programme had contribution from six laboratories. The laboratories identified a high portion of the individuals in the test samples, usually > 90% of the total ... -
Biological intercalibration: Invertebrates 1410 (ICP Waters report 103/2010)
(NIVA-rapport;6087, Research report, 2010-11)The 14th intercalibration of invertebrates in the ICP Waters programme had contribution from five laboratories. The laboratories identified a high portion of the individuals in the test samples, usually > 90% of the total ... -
Biological intercalibration: Invertebrates 1511 (ICP Waters report 109/2011)
(NIVA-rapport;6264, Research report, 2011-12)The 15th intercalibration of invertebrates in the ICP Waters programme had contribution from four laboratories. The laboratories identified a high portion of the individuals in the test samples, usually > 90% of the total ... -
Biological intercalibration: Invertebrates 1612 (ICP Waters report 113/2012)
(NIVA-rapport;6454, Research report, 2012-11)The 16th intercalibration of invertebrates in the ICP Waters programme had contribution from three laboratories. The laboratories identified a high portion of the individuals in the test samples, usually > 90% of the total ... -
Brukerbeskrivelse og dokumentasjon av programmet RINGSTAT. Utarbeidet for Ringtestsamarbeid for kjemiske vannanalyser. Kontroll av industriutslipp
(NIVA-rapport;1061, Research report, 1978)RINGSTAT er ett av tre datamaskinprogrammer som benyttes i forbindelse med ringtestsamarbeidet for kjemiske vannanalyser. RINGSTAT behandler de enkeltvise ringtestene og regner statistikk og plotter analyseverdiene i ... -
Intercalibration 0005: Invertebrate fauna (ICP Waters report 62/2001)
(NIVA-rapport;4384, Research report, 2001-04)The 5th intercalibration of invertebrates in the ICP Waters programme had contribution from 6 laboratories. Three of the laboratories delivered a pool of biological material from their home region as source material for ... -
Intercalibration 0206: Invertebrate fauna (ICP Waters report 66/2002)
(NIVA-rapport;4494, Research report, 2002-01)The 6th intercalibration of invertebrates in the ICP-Water programme had contribution from 6 laboratories. All of the laboratories identified a high portion of the individuals in the testsamples, usually >90% of the total ... -
Intercalibration 9004. pH and alkalinity (ICP Waters report)
(NIVA-rapport;2465, Research report, 1990-08)Eleven laboratories in ten countries participated in intercalibration 9004, especially designed for testing of pH and alkalinity determination. The estimate of a total error of +/- 0.2 pH units seems to be a reasonable ... -
Intercalibration 9105. pH, conductivity, alkalinity, nitrat + nitrite, chloride, sulfate, calcium, magnesium, sodium, potassium and total organic carbon (ICP Waters report)
(NIVA-rapport;2591, Research report, 1991-07)21 laboratories in 15 countries participated in intercalibration 9105. Basedon the general target accuracy of +/- 20 %, 90 - 100 % of the results were acceptable for all the main components, only 0-2 result pairs lying ... -
Intercalibration 9206. pH, conductivity, alkalinity, nitrat + nitrite, chloride, sulfate, calium, magnesium, sodium, potassium, aluminium and dissolved organic carbon (ICP Waters report)
(NIVA-rapport;2784, Research report, 1992-10)23 laboratories in 18 countries participated in intercalibration 9206. Based on the general target accuracy of ± 20 %, about 80 - 90 % of the results were acceptable for the main components. However, for pH only 30 and 70 ... -
Intercalibration 9307. pH, conductivity, alkalinity, nitrate + nitrite, chloride, sulfatw, calcium, magnesium, sodium, potassium, total aluminium, reactive and non-labile aluminium, dissolved organic carbon, and chemical oxygen demand (ICP Waters report)
(NIVA-rapport;2948, Research report, 1993-09)26 laboratories in 19 countries participated in intercalibration 9307. Based on the general target accuracy of +29%, 81% of the results were accceptable. However, for pH only 52% of the result pairs were acceeptable in ... -
Intercalibration 9804: Invertebrate fauna (ICP Waters report 47/1998)
(NIVA-rapport;3912, Research report, 1998-08)The 4th intercalibration of invertebrates in the ICP-Water programme had contribution from 6 laboratories. 5 of the laboratories identified a high portion (>85%) of the total number of species in the test samples. Short-coming ... -
Intercalibration of Invertebrate Fauna. 9301 (ICP Waters report)
(NIVA-rapport;2952, Research report, 1993-10)Eleven laboratories in seven countries participated in the first intercalibration on the invertebrate fauna. Compared with general accuracies of 20% the identification of the fauna was very good. For the whole material the ... -
Intercalibration: Invertebrate fauna 0307 (ICP Waters report 72/2003)
(NIVA-rapport;4659, Research report, 2003-03)The 7th intercalibration of invertebrates in the ICP-Water programme had contribution from 6 laboratories. All of the laboratories identified a high portion of the individuals in the test samples, usually ³ 90% of the total ... -
Intercalibration: Invertebrate fauna 09/04 (ICP Waters report 77/2004)
(NIVA-rapport;4863, Research report, 2004-04)The 8th intercalibration of invertebrates in the ICP Waters programme had contribution from 4 laboratories. All of the laboratories identifed a high portion of the individuals in the testsamples, usually >90% of the total ... -
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 ...