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Laboratory Magnetic Separator & Test Procedure. This Laboratory Magnetic Separator is a high intensity dry device which uses a rotating iron disc to concentrate the magnetic field and remove the magnetic particles from the non-magnetic. It essentially consists of an electromagnet (the applied current is controlled by a rheostat) which produces ...

The Frantz Isodynamic Separator produces a magnetic field of near-constant magnetic energy gradient throughout a portion of the volume between the separator's poles. Magnetic separations made in this region are readily amenable to analysis because the magnetic force is approximately the same for all particles of similar magnetic susceptibility.

An apparatus for magnetically separating and collecting particulate matter fractions of a raw sample according to relative magnetic susceptibilities of each fraction so collected is disclosed. The separation apparatus includes a splitter which is used in conjunction with a magnetic separator for achieving the desired fractionation.

A magnetohydrostatic separator is based on the principle that when a paramagnetic solution (or ferro-fluid) is placed within an in­ homogeneous magnetic field, it will exhibit an apparent specific grav­ ity directly proportional to the magnetic field strength. Thus, in a

The tests were made on a vibrating sample magnetometer, and the results are compared in table 3 with values taken from the literature and with values calculated from Frantz isodynamic magnetic separator data. The data in table 3 indicate that the galena is diamagnetic, as is the sphalerite in the iron-free state.

Frantz Isodynamic Magnetic separator, Model L-1, table top. Input 115 Volts, 2.5 AMPS, 50/60 Hz, serial number 1770. Note: This is a dry high intensity magnetic separator. Used in minerals research and development lab. Additional Prep Fees May Apply

isodynamic: ( ī'sō-dī-nam'ik ), 1. Of equal force or strength. 2. Relating to foods or other materials that liberate the same amount of energy on combustion. [iso- + G. dynamis, force]

The device used to separate minerals based on their magnetic properties is called a Frantz Isodynamic Magnetic Separator. The magnetic separator consists of a large electromagnet through which mineral mixtures can be passed on a metal trough which is divided near its exit end. Varying the strength of the magnetic field and/or slope of the ...

Model L-1 Magnetic Separators. The Frantz Isodynamic ® Separator (Model L-1), used in virtually all of the geological laboratories of the world, was designed for the separation of mineral samples in dry form. It utilizes an electromagnet to separate according to magnetic susceptibility.

Isodynamic Magnetic Separator used in magnetic-fluid method of density determination. Forward tilt of separator : 0", side tilt : 900. variations in the magnetic field, and these variations should be constant for all samples. A diameter of the field of view the microscope should coincide with the chute of the magnetic separator. This configura-

Our Isodynamic laboratory separators make sensitive separations of minerals or other grains according to magnetic susceptibility, even of materials not usually thought of as magnetic. Magnetic force per unit volume on particles of like susceptibility is constant across the width of the operating space at the midplane between the pole faces ...

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Wet and/or dry magnetic separation stages may be introduced into the processes described above at selected points to remove iron-containing contaminants. Dry electrostatic separation techniques can also be employed to remove quartz and other electrostatic-sensitive particles, provided there is sufficient difference in the particle sizes and ...

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Plagioclase, pyroxene, amphibole, sericite, and basaltic glass crystals and groundmass were separated from either the 125–212 μm or the 212–355 μm size fractions using a Frantz isodynamic magnetic separator. Minerals and groundmass were subsequently hand-picked grain-by-grain under a binocular stereomicroscope.

The separation was done using a vibrating slanted track mode of an isodynamic magnetic separator; it is an extremely slow operation, requires close sizing, and is not suitable for fine coal. We note a conclusion by them that "48- x 0-mesh size …

II. Magnetic Separation Magnetic separation of mineral particles depends on the magnetic susceptibility of the minerals to be separated. This is a complex phenomenon which is a function of chemical composition, especially minor amounts of iron or manganese, and atomic-lattice structure. The simplest form of magnetic separation is by hand

tilt of 20 toward magnetic (down) in a Frantz Isodynamic Separator at full field strength; and insoluble in warm, dilute HC1. Some characteristics of the K-spar concentrates are listed in table 1. We have included the data of Ledent et al. on K-feldspar separated from the Upper Mississippi River sand (UMF) for purposes of comparison. The

This can be achieved from the magnetic profile developed on the Frantz isodynamic magnetic separator (Dobby et al., 1979). In the SI system the appropriate calculation is: 334 ~,,, r, i i i i~ r i L i i i ~ 100 __ ~ SediGraph on insol component sop _ ~ Micro-Sieves "~. 40~- ~ o hematite ) ~_ ~, gangue f 50 20 10 5 2 Particle Size. pm Fig. 4.

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L-1 Isodynamic Laboratory Separator. Our Isodynamic Laboratory Separators make sensitive separations of minerals or other grains according to magnetic susceptibility, even of materials not usually thought of as magnetic. Magnetic force per unit volume on particles of like susceptibility is constant across the width of the operating space at the ...

Magnetic separation of minerals using the Frantz Isodynamic Separator ... the table on page 16 of the SOP as a guide to the appropriate ... 2 Plug in the separator, turn on the magnetic field and ...

Magnetic Separation and Iron Ore Beneficiation. Magnetic separation is an old technique for the concentration of iron ores and for the removal of tramp iron. Since 1849, a number of patents on magnetic separation have been issued in USA, and texts of some of the patents before 1910 describe a variety of magnetic separators for mineral processing.

The following fractions were analysed: a clay fraction, a magnetic fraction and an attempt was made to separate two more fractions at 0.4 and 0.8 A, respectively, using a Frantz isodynamic separator with a slope of 20° and a tilt of 15° at the School of Earth and Environmental Sciences at the University of Queensland.

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Recent Advances In Magnetic Separator Designs And Applications. Magnetic Separator Frantz Theory. Recent advances in magnetic separator designs and applications 63 existing technology magnetic separation equipment, get more use of magnetic separation for purifying quartz for, the model used in this study is the frantz magnetic barrier laboratory separator model lb-1, which is about 15 years ...

Unlike other separators, the Frantz ISODYNAMIC separator employs an isodynamic magnetic field, i.e., a field which exerts a substantially constant force on a particle of given susceptibility regardless of the position of the particle within the field, and as a consequence is capable of …

A Franz Isodynamic magnetic separator was used for the initial separation technique. A forward slope of 30was retained throughout the process; however, the amperage setting was changed. The first amperage setting was 0.7 A, which theoretically would remove such ferro-magnesium silicates as epidote, chlorite and biotite.

The magnetic separa-tion for the panner runs had less material to process since the biotite ˚akes were removed during the panning pro-cess. The amount of material processed during magnetic separation was 6.39 grams compared to 560 grams for the control. 3) Control Magnetic Minerals. The control did not include the spiral panning separation.

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