DIN 38402-71:2020-10 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 71: Equivalence of two analysis methods based on the comparison of analysis results (A 71)
2020DIN 38402-71:2020-10 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 71: Equivalence of two analysis methods based on the comparison of analysis results (A 71)
2002DIN 38402-71:2002 German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 71: Equivalance of two analytical methods based on the comparison of results and their statistical evaluation, Procedure for quantitative c