Determining the concentration of sulphur in coal

Details Determining the concentration of sulphur in coal Determining the concentration of sulphur in coal

1976-02-20

1977-03-29

Smith, Alfred E.

Radiant energy

Coded record and readers; invisible radiant energy type

G01N 2300

Patent

active

040151247

ABSTRACT:
This invention relates to a method for determining the concentration of sulphur in coal and to apparatus which enables this method to be put into practice. The method involves measuring the intensities of the X-ray fluorescent radiations from iron and sulphur atoms in a sample of coal which has been excited by X-ray radiation. The measures of the intensities are combined mathematically to give an output from which the concentration of sulphur in the coal may be determined. Using the apparatus described the concentration of sulphur in a sample of coal can be determined quickly and accurately by an unskilled worker.

REFERENCES:
patent: 3467824 (1969-09-01), Boyce et al.
patent: 3671744 (1972-06-01), Constantine

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