. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies. Dairy products. OLEOREFRACTOMETER. 277 there will be no refraction. If, however, the prism contains a different liquid, the refraction will be indicated (in arbitrary- degrees) by the position of the junction between the light and dark halves of the field on the scale. A standard oil (huile type) * is supplied with the instrument, and the scale is so adjusted as to read zero when this is placed. Fig. 37.—Oleo-refractometer. in the instrument. The oil or fat to be tested is placed in the hollow pris
. Dairy chemistry; a practical handbook for dairy chemists and others having control of dairies. Dairy products. OLEOREFRACTOMETER. 277 there will be no refraction. If, however, the prism contains a different liquid, the refraction will be indicated (in arbitrary- degrees) by the position of the junction between the light and dark halves of the field on the scale. A standard oil (huile type) * is supplied with the instrument, and the scale is so adjusted as to read zero when this is placed. Fig. 37.—Oleo-refractometer. in the instrument. The oil or fat to be tested is placed in the hollow prism and the position of the dividing line read off on the scale. The temperature is kept constant by means of a jacket, and is usually 45° C. * This is usually translated as " typical oil " ; the word " standard " is more nearly equivalent to the French " type," than is " ;. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Richmond, Henry Droop. London : Charles Griffin & co. , ltd.
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherlondo, bookyear1920
