ISO 3889:1977

Milk and milk products — Determination of fat content — Mojonnier-type fat extraction flasks

Specifies the characteristics of flasks for gravimetric methods. The flasks to be made from borosilcate glass are designed to enable a supernatant solvent layer to be decanted almost completely from an underlaying aqueous layer. A figure shows three permissible forms of flask whose dimensions are listed in a table. A second table gives guidance on additional dimensions for these flask types.