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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 ...