Gouy’s Method

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Gouy’s Method

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Gouy’s Method

Apparatus for Measurement of Susceptibility of Paramagnetic Solids by Gouy’s Method

In the Gouy’s method of susceptibility measurement, the solid sample in the form of a long cylinder (area of cross section A) is hung from the pan of a balance and is placed such that one end of the sample is between the pole-pieces of the magnet (field H ) and the other one is outside the field. The force exerted on the sample by the inhomogeneous magnetic field is obtained by measuring the apparent change (D m ) in the mass of the sample. The susceptibility c is given by

c = 2 mg/AH2


If the sample is in the form of powder, it is filled in a long nonmagnetic tube which is then suspended from the pan of the balance..

Description of the experimental setup

a) Scientific Balance, LSKSB-07

Capacity	200 gms
Sensitivity	1/10 mg. by vernier
Beam	Hard Bronze/ Brass
Arrestment	Circular, falling away type
Air Damping	Very quick and positive, beam coming to rest in 2-3 sec
Chainomatic Device	A gold plated chain is suspended from the beam with its other end screwed on the rotating drum on which a scale graduated from 0 to 10 div each division representing 1mg is installed. By the movement of this scale before a vernier, reading upto 1/10th mg is taken

b) Sample in the form of a long rod

Set of 4 samples,2 each of Ebonite and wood

c) Electromagnet, EMU-75T

Pole Pieces	75mm tappered to 25mm
Mag. Field	20KG at 6mm airgap
Energising Coils	Two of approx. 13 each
Power	0-90Vdc, 3A, for coils in series 0-45Vdc, 6A, for coils in parallel

d) Constant Current Power Supply, LSDPS-175

e) Gaussmeter, LSDGM-202 or LSDGM-102

Ordering Details:

Model

LSGMX-01

Description

Details

Gouy’s Method

Apparatus for Measurement of Susceptibility of Paramagnetic Solids by Gouy’s Method

In the Gouy’s method of susceptibility measurement, the solid sample in the form of a long cylinder (area of cross section A) is hung from the pan of a balance and is placed such that one end of the sample is between the pole-pieces of the magnet (field H ) and the other one is outside the field. The force exerted on the sample by the inhomogeneous magnetic field is obtained by measuring the apparent change (D m ) in the mass of the sample. The susceptibility c is given by

c = 2 mg/AH2


If the sample is in the form of powder, it is filled in a long nonmagnetic tube which is then suspended from the pan of the balance..

Description of the experimental setup

a) Scientific Balance, LSKSB-07

Capacity	200 gms
Sensitivity	1/10 mg. by vernier
Beam	Hard Bronze/ Brass
Arrestment	Circular, falling away type
Air Damping	Very quick and positive, beam coming to rest in 2-3 sec
Chainomatic Device	A gold plated chain is suspended from the beam with its other end screwed on the rotating drum on which a scale graduated from 0 to 10 div each division representing 1mg is installed. By the movement of this scale before a vernier, reading upto 1/10th mg is taken

b) Sample in the form of a long rod

Set of 4 samples,2 each of Ebonite and wood

c) Electromagnet, EMU-75T

Pole Pieces	75mm tappered to 25mm
Mag. Field	20KG at 6mm airgap
Energising Coils	Two of approx. 13 each
Power	0-90Vdc, 3A, for coils in series 0-45Vdc, 6A, for coils in parallel

d) Constant Current Power Supply, LSDPS-175

e) Gaussmeter, LSDGM-202 or LSDGM-102

Ordering Details:

Model

LSGMX-01

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