Food microbiology, Method 14.3: Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of microorganisms - Colony count at 30°C by the surface plating technique (ISO 4833-2:2013, MOD)
Methods of chemical and physical testing for the dairying industry, Method 2.11: Liquid milks - Determination of density and estimation of solids-not-fat (SNF) - Hydrometer method