Method for measuring total solids in grain thick slurry through conductivity
A technology of thick grain slurry and electrical conductivity, which is applied in the direction of material resistance, can solve the problems of low detection efficiency (it usually takes 3 to 4 hours to complete a detection, and cannot realize the online guidance of production in a timely and effective manner, so as to achieve timely and effective On-line production guidance, shortened testing time, and simple operation
Pending Publication Date: 2022-05-13
无锡赞匠生物科技有限公司
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Problems solved by technology
The standard determination method of total solids is the direct drying method, which has high accuracy, but involves many steps such as sample evaporation to dryness, repeated drying of the container, constant weight, etc., and the detection efficiency is low (it usually takes 3 to 4 times to complete a detection). hours), unable to timely and effectively realize the online guidance of production
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[0020] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the preferred embodiments of the present invention will be described in detail below, so as to define the protection scope of the present invention more clearly.
[0021] The standard determination method of total solids is the direct drying method, which has high accuracy, but includes many steps such as sample evaporation to dryness, repeated drying of the container, constant weight, etc., and the detection efficiency is low (it usually takes 3 to 4 times to complete a detection). hours), unable to provide timely and effective online guidance to production.
[0022] In view of this, the present invention provides a method for measuring the total solids concentration in grain thick slurry by electrical conductivity. Compared with the standard dry detection method, the present invention has the advantages of low cost, simple operation, and rapid detection...
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The invention discloses a method for measuring the total solid concentration in grain thick slurry through conductivity, which comprises the following steps: carrying out gradient dilution on the grain thick slurry with the known initial total solid concentration, measuring the conductivity of the solution diluted each time at a preset temperature, and calculating the total solid concentration in the corresponding diluted solution; fitting a relation formula between the concentration of the total solid matter and the conductivity by taking the concentration of the total solid matter and the corresponding conductivity as a reference; diluting the to-be-tested grain thick slurry to obtain a to-be-tested sample solution; measuring the conductivity of the to-be-measured sample solution at the preset temperature; and substituting the conductivity of a to-be-tested sample solution into the relation formula to obtain the concentration of the total solids in the to-be-tested grain thick slurry. Compared with a standard drying detection method, the method has the advantages of low cost, simplicity in operation and rapidness in detection, and can timely and effectively guide production on line.
Description
technical field [0001] The invention relates to the technical field of food production, in particular to a method for measuring total solids in grain thick slurry through electrical conductivity. Background technique [0002] With the improvement of people's living standards and the enhancement of health awareness and environmental protection awareness, people's demand for cereal beverages is increasing, especially the demand for oat milk beverages has shown a blowout trend in recent years. [0003] Total solids content is an important quality indicator in cereal-based beverages. The standard determination method of total solids is the direct drying method, which has high accuracy, but includes many steps such as sample evaporation to dryness, repeated drying of the container, constant weight, etc., and the detection efficiency is low (it usually takes 3 to 4 times to complete a detection). hours), unable to provide timely and effective online guidance to production. Cont...
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IPC IPC(8): G01N27/06
CPCG01N27/06
Inventor 李伦赵启明赵看黄民红
Owner 无锡赞匠生物科技有限公司