A rapid detection method for the degree of transesterification reaction
A technology of transesterification reaction and detection method, which is applied in the direction of measuring devices, preparation of test samples, instruments, etc., can solve the problems of long detection time of the degree of transesterification reaction and affect the production efficiency of products, so as to shorten the detection time and reduce the change Influence, the effect of accurate judgment
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Embodiment 1
[0029] This example provides a rapid detection method for the degree of transesterification reaction, which is suitable for compound oils whose melting point change range is less than or equal to 1°C before and after the transesterification reaction. The rapid detection method includes the following steps:
[0030] Sample preparation: heat the sample before transesterification until it is clear and transparent, stir well and then take a sample; filter the sample after transesterification in a 60°C drying oven until it is clear and transparent, stir well and then take a sample. In this step, since some soaps and other impurities will be produced after the transesterification reaction, it is necessary to filter at a specific temperature and in a dry environment. In addition, since the sample to be tested is a complex type of oil, in order to obtain highly repeatable results, it is necessary to fully stir the sample before sampling.
[0031] Sampling: Use a flat-bottomed test tub...
Embodiment 2
[0038] This example provides a rapid detection method for the degree of transesterification reaction, which is suitable for compound oils whose melting point change range is less than or equal to 1°C before and after the transesterification reaction. The rapid detection method includes the following steps:
[0039] Sample preparation: heat the sample before transesterification until it is clear and transparent, stir well and then take a sample; filter the sample after transesterification in a 60°C drying oven until it is clear and transparent, stir well and then take a sample. In this step, since some soaps and other impurities will be produced after the transesterification reaction, it is necessary to filter at a specific temperature and in a dry environment. In addition, since the sample to be tested is a complex type of oil, in order to obtain highly repeatable results, it is necessary to fully stir the sample before sampling.
[0040] Sampling: Take a clear and transparent...
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