Design projects acetic acid

The project was started in 1987 by a consultation of Emopean experts examining the possibility of harmonizing single and/or sequential extraction schemes for soil and sediment analysis [60]. This inquiry was followed by the design of single extraction schemes (EDTA, acetic acid and ammonium acetate) and a sequential extraction protocol which were proposed to a group of ca. 30 laboratories for possible harmonization in 1989 [193]. Interlaboratory studies (two on soils and two on sediment) were carried out between 1989 and 1993 [194-196] and were followed by certification campaigns conducted between 1994 and 1996 [197-199]. 

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