Methods for determination of the freezing-point depression of milk. Methods. Hortvet method|Freezing point, Laboratory equipment, Precision, Glass tubes, Thermometers, Reproducibility, Calibration, Graphical methods, Low-temperature testing, Homogenized milk, Test equipment, Specimen preparation, Expansion thermometers, Average, Pasteurized milk, Sterilized milk, Temperature-measuring instruments, Dairy products, Error correction, Glass, Testing conditions, Design, Food testing, Dimensions, Mathematical calculations, Standard solutions, Temperature measurement, Milk, Food products, Laboratory glassware