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.
Other equipment. Use of the Geo Lab room U247 - Syrelab is restricted to trained personnel familiar with the safety precautions, and laboratory rules. Download and read the user instructions and contact the laboratory manager or your supervisor/group leader to …
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
Eunuse Akon Inspired by favorable factors for accumulation of uranium in the geological set up of Bangladesh, exploration for uranium & thorium bearing atomic minerals was initiated by BAEC in 1977. Geological, geophysical, radiometric and relevant surveys have mostly been carried out intermittent- ly in different parts of greater Sylhet district.
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.
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]
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 ...
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 ...
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.
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 ...
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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.
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 …
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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 ...
strength required for separation of the mineral in the Frantz Isodynamic Separator at a fixed transverse slope (15 o) and its composition affords a rapid and an elegant method for the separation of orthopyroxenes. The composi- tion of any orthopyroxene in terms of …
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.
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 …
fractions employinga Cook isodynamic magnetic separator (Frantz isodynamic magneticseparator)atmagneticfieldstrengthsof0.1,0.3and0.5T. The six fractions separated for mineralogical analysis were chemically assessed to determine titanium and iron content. Mineral samples were decomposed by fusion with KHSO 4 at 800 C and the melt was dissolved ...
gravimetric separation. The heavy-mineral concentrates were then separated into three fractions on the basis of magnetic susceptibility. A Frantz Isodynamic Magnetic Separator was used to make these separations using a forward slope of 25° and a side slope of 15°. The ampere settings used in the separation was 0.5 and 1.0 ampere.
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 ...
Define isodynamic. isodynamic synonyms, isodynamic pronunciation, isodynamic translation, English dictionary definition of isodynamic. adj. Having equal force or strength. American Heritage® Dictionary of the English Language, Fifth Edition.
Magnetic separator settings Magnetic separators used during the study were Frantz Isodynamic Magnetic Separators, Model L-l*. The original brass chute in each machine was replaced by an aluminum chute milled in the USGS machine shop. The isodynamic vibrator at the upper end of the chute was replaced by an asymmetric vibrator, as
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The Frantz Isodynamic Magnetic Separator (FIMS) is a versatile instrument and can produce excellent concentrates of many minerals. Substantial literature has been published on the subject of mineral separations performed with the FIMS [Citations omitted]. The MBLS has a significant advantage over the FIMS in the ratio of magnetic force to field ...
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.
Magnetic separation of minerals is a topic that is seldom reported in the ... by McAndrew (1957), Hess (1959), Frost (1961), and Dahlin and Rule ... Magnetic separators used during the study were Frantz Isodynamic Magnetic ..... Hess, H.H., 1959, Notes on operation of Frantz Isodynamic Magnetic Separator: S.G. Frantz Co. Read more
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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.
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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