This standard describes the butyrometric method according to Gerber, which is used to determine the fat content of buttermilk or fermented, partially or completely skimmed milk, provided that these liquids are in good condition.
NEN 1563-1964 history
1964NEN 1563-1964 Determination of the fat content of buttermilk and of acidifled skimmed milk by the Gerber methoc