Mineral separation measurement method utilizes the difference in mineral properties (density, magnetic properties, floatability, etc.) in the product, and divides the product into a series of component content levels according to the content of its components. For mineral components with different specific gravity, the commonly used analytical methods are the separation of heavy liquid and heavy medium, and sometimes the ascending water flow tube or the hydrostatic separation technique; if the magnetic difference of the mineral components in the product is obvious, the magnetic separation technology is adopted. For certain specific products, analysis can also be carried out using floating or leaching techniques.
Separation measurements are usually simple and easy to perform, but because the mineral dissociation of the particles can only provide a fuzzy, approximate conclusion, the generality of use is poor.
Mineral microscopic image measurement is a commonly used method for the determination of mineral monomer dissociation. It is to make the product into a sample that can be observed after amplification, and to understand the dissociation state of the mineral by measuring the parameters related to the enlarged image. The microscopic image measurement method is further divided into a solid microscope measurement method, a reflective microscope measurement method, and an image analyzer measurement method depending on the test instrument used. Among them, the solid microscope measurement method is simple in operation and high in measurement accuracy, but the application range is limited due to poor resolution of the mineral. The image analyzer measurement method greatly improves the measurement speed and accuracy of the mineral plane image parameters, and also enables measurement of various one-dimensional and two-dimensional parameter values. The shortcoming is that the equipment cost is high, the operation is difficult, and there is a cross-section cutting effect. Among the three measurement methods, its mineral resolving ability is the worst (under reflective conditions). The reflective microscopy method is the most practical dissociation today. Degree measurement method.
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