Specifies glass hydrometers of constant mass, for use in milk and liquid milk products with a surface tension of approximately 45 mN/m, which indicate density (g/mL) at 20?C. Identical with and reproduced from ISO 2449:1974.
AS 2148:2004 history
2004AS 2148:2004 Milk and liquid milk products - Density hyrometers for use in products with a surface tension of approximately 45 mN/m