Pasteurization test set is also known as Scharer Phosphatase Test and Scharer Phosphomonoesterase Test. Provides a means of controlling efficiency of pasteurization. APHA approved. Pasteurization of milk, cream, and other dairy products is determined by this method. Phax-Kit comes complete with removable plastic rack, polypropylene screw caps, dropping bottle, 9 graduated tubes etched for marking with pencil, 50-ml graduated bottle, rubber nipples, droppers, plastic filter sheet, 4 glass stir rods, one set of three liquid standards for the butyl alcohol technique indicating 1, 2 and 5 units, empty bottle for butyl alcohol and 50 Phos-Phax, 50 Indo-Phax and 50 Buffax tablets. Directions are included. Case included. 9.5 x 5.5 x 1.25"".