Sampler and an apparatus for hydrogen determination in molten me

Details Sampler and an apparatus for hydrogen determination in molten me Sampler and an apparatus for hydrogen determination in molten me

1985-06-24

1986-05-27

Nozick, Bernard

Measuring and testing

Sampler, sample handling, etc.

Flow divider, deflector, or interceptor

7386352, G01N 112

Patent

active

045908095

ABSTRACT:
A sampler for drawing a sample of molten metal for analysis for hydrogen, the sampler has a tubular body of inorganic refractory material having low thermal conductivity and being substantially impermeable to hydrogen, and a readily meltable portion at one end and a hydrogen collection chamber at the other end. An inner tube is completely enclosed within the tubular body and is of a hydrogen permeable material and has a cylindrical space therewithin and defines with the inner surface of the tubular body an annular space between the inner tube and the body. It has apertures communicating the spaces. One of the spaces is open at the end corresponding to the readily meltable portion for receiving molten metal thereinto when the meltable portion is melted when the one end of the sampler is inserted into a bath of molten metal. The end of the one space which is toward the other end of the tubular body from the hydrogen collection chamber is sealed. The other of the spaces is open to the hydrogen collection chamber at the end corresponding to the other end of the tubular body and is closed off from the readily meltable portion.

REFERENCES:
patent: 3354723 (1967-11-01), Smith
patent: 3452602 (1969-07-01), Hackett
patent: 4170139 (1979-10-01), Narita et al.
patent: 4445390 (1984-05-01), Atwell

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