Peroxide Value Photometer Mi-490 | Milwaukeee Peroxide Value Meter

Mi490 - Photometer PEROXIDE VALUE

Mi 490 is a user-friendly photometer for monitoring peroxide value in the process of oil making. The measurement of the oil's chemical degradation is the peroxide value, which measures the degree to which the oil is oxidized. Rancidification is the decomposition of fats and other lipids by hydrolysis and/or oxidation. Hydrolysis will split fatty acid chains away from the glycerol backbone in glycerides. These free fatty acids can then undergo further auto-oxidation. Oxidation primarily occurs with unsaturated fats by a free radical-mediated process.

One of the most widely used tests for oxidative rancidity, peroxide value is a measure of the concentration of peroxides and hydroperoxides formed in the initial stages of lipid oxidation. Milliequivalents of peroxide per kg of fat are measured by titration with iodide ion. Peroxide values are not static and care must be taken in handling and testing samples.




Mi490 Peroxide Value

Range                                  0.0 to 25.0 meq O2 /K

Resolution                           0.5 meq O2 /Kg

Accuracy                              ±0.5 meq O2 /Kg

Method                                 adaptation of the CE n. 2568/97 method

Environment                        0 to 50°C; max RH 95%

Battery Type                         4 x 1.5V AA

Auto-off                                 after 15 minutes of non-use

Dimensions                        225 x 85 x 80 mm

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