This method determines the pH of the liquid from a slurry of manure, using 1 part sample and 5 parts deionized water. The method is generally reproducible within 0.2 pH units.
Sample amount requested: 30 g
Questions concerning limited sample size can be answered by the UC Davis Analytical Laboratory.
Wolf, Nancy. 2003. Determination of manure pH. p. 48-49. In: John Peters (ed.) Recommended Methods of Manure Analysis. University of Wisconsin System.