The standard applies to all vegetable and animal fats that have a melting point between 0 and 60 °C. In addition to a standard method, a separate method is given for cocoa butter and fats with a related crystallization behavior. See the appendix for an explanation.
NEN 6361-1988 history
1988NEN 6361-1988 Vegetable and animal oils and fats Determination of solid phase fraction by pulsed nuclear magnetic resonance (pulsed NMR)