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2014. 12 s. (Jernkontorets forskning D 859)
Pris (SEK): 300:-
A proficiency test on determination of thiocyanate in water from a coking plant has been carried out. Nine laboratories from six European countries participated using their normal analytical methods. The standard deviation between laboratories for thiocyanate levels of 300-320 ppm was about 35 ppm (11-12 % relative standard deviation) which seems acceptable given that several different methods were used.