The Determination of Phenolphthalein in Chocolate Preparations by Nonaqueous Titration*

Sidney Doernberg1, Max Hubacher1, Ihor Lysyj1
1Products Control Laboratory of Ex-Lax, Inc. Brooklyn, N. Y.

Tài liệu tham khảo

Riddick, 1954, Anal. Chem., 26, 77, 10.1021/ac60085a013 Pifer, 1953, THIS JOURNAL, 42, 509 1950, 624 Moss, 1948, Anal Chem., 20, 784, 10.1021/ac60021a002 Pifer, 1953, ibid, 25, 310