2010 California Code
Food and Agricultural Code
Article 1. Milk Fat Or Butter Fat

38151.  As used in this article, "Reichert-Meissl number" means the
number of milliliters of decinormal alkali which are required to
neutralize the acidity of the distillate from five grams of fat
treated in the manner specified in the regulations adopted by the
director. Such regulations shall conform as closely as possible to
the methods which are described in the book, entitled "Official and
Tentative Methods of Analysis of the Association of Official
Analytical Chemists," published from time to time by that
association.


38152.  Milk fat or butterfat is the fat of milk. It shall have a
Reichert-Meissl number not less than 24 and a specific gravity not
less than 905/1000. In determining the specific gravity, milk fat at
40 degrees centigrade shall be compared with water at 40 degrees
centigrade.