International Organization for Standardization (ISO)
Latest
ISO 19660:2018
Scope
This document specifies an acidobutyrometric method for determining the fat content of cream. The reference method remains the gravimetric method (by ammoniacal ether extraction) described in This method is applicable to cream having a fat content between 20 % and 50 % inclusive:
— intended for manufacturing butter;
— sweet, unmatured and non-inoculated;
— raw or having undergone a heat treatment;
— non-homogenized;
— with or without preservatives (2-bromo-2-nitropropane, 1,3 diol or bronopol).