The purpose of research – is to analyze modern methods and tools for determining milk quality indicators. Research methods. Comparative studies of methods and means for determining milk quality indicators. The «Milkotester» milk quality analyzer of the «Master Eco» model is intended for measurement of mass fraction of fat, protein, dry skimmed milk residue, added water, freezing point, milk temperature, milk density. Approbation of a modern device for assessing the quality of milk "Milkotester" model "Master Eco" is carried out during the determination of the above indicators of milk quality on a dairy farm in comparison with standardized methods for determining indicators that characterize the quality of milk. Repeated measurements - 10. Research results. Testing of the «Milkotester» milk quality analyzer of the «Master Eco» model was performed in comparison with standardized methods. It is established that the device operates with an error when measuring the mass fraction of fat in milk ± 0,03 %, which meets the requirements of regulatory documentation for the device ± 0,1 %, the mass fraction of protein - ± 0,04 % and ± 0,1 %, respectively, mass fraction of dry matter - ± 0,04 % and ± 0,1 %, density - ± 0,1 kg/m3 and ± 0,3 kg/m3, added water - ± 2,3 % and ± 3,0 %, freezing points ± 0,002 °C and ± 0,005 °C, milk temperatures – ± 0,1 ° C and ± 1,0 ° C, respectively. The duration of determining the quality of milk of one sample by the device is 1,5 minutes. Conclusions. According to research, it is established that there is a constant improvement of methods and tools for assessing the quality of milk. In recent years, foreign companies have developed electronic devices for assessing the quality of milk. Some electronic milk quality analyzers have been developed in Ukraine as well. One of the most modern devices for assessing the quality of European-level milk "Milkotester" Bulgarian production provides a technological process for measuring the mass fraction of fat, protein, dry matter, added water, freezing point, milk temperature, milk density. The error in measuring the indicators that characterize the quality of milk meets the requirements of regulatory documentation for the device. In the market of Ukraine the electronic device "Charm Peel Plate" of the American production which is intended for definition of bacterial contamination of milk is offered.
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