GB768534A - Method of testing coal for determining the ash content - Google Patents

Method of testing coal for determining the ash content

Info

Publication number
GB768534A
GB768534A GB12042/55A GB1204255A GB768534A GB 768534 A GB768534 A GB 768534A GB 12042/55 A GB12042/55 A GB 12042/55A GB 1204255 A GB1204255 A GB 1204255A GB 768534 A GB768534 A GB 768534A
Authority
GB
United Kingdom
Prior art keywords
ash content
determining
coal
measured
dispersion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB12042/55A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stamicarbon BV filed Critical Stamicarbon BV
Publication of GB768534A publication Critical patent/GB768534A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
    • G01N23/201—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials by measuring small-angle scattering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

768,534. X-ray analyses. STAMICARBON N.V. April 26, 1955 [May 7, 1954], No. 12042/55. Class 40 (3). In a method of determining the ash content of coal the dispersion capacity for Roentgen rays of greater than 1.74 Š.U. and less than 4.5 Š is measured. The dispersion may be measured by a single photo-electric device responding to the dispersed radiation if the incident rays have a constant intensity. If not, a second detector may be provided for the incident beam or the beam may be detected alternately by the same detector. If measurements are made on a continuous stream of the fluctuation the ash content may be used to control coal cleaning operation by change-absorption capacity between samples or by comparison of successive samples with a standard.
GB12042/55A 1954-05-07 1955-04-26 Method of testing coal for determining the ash content Expired GB768534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL768534X 1954-05-07

Publications (1)

Publication Number Publication Date
GB768534A true GB768534A (en) 1957-02-20

Family

ID=19827685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12042/55A Expired GB768534A (en) 1954-05-07 1955-04-26 Method of testing coal for determining the ash content

Country Status (1)

Country Link
GB (1) GB768534A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467824A (en) * 1964-09-11 1969-09-16 Atomic Energy Authority Uk Method and apparatus for x-ray analysis with compensation for an interfering element
FR2522412A1 (en) * 1982-02-26 1983-09-02 Coal Industry Patents Ltd METHOD AND APPARATUS FOR ANALYZING CARBON MATERIALS CONTAINING ASH BY X-RAY SPECTROMETRY

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467824A (en) * 1964-09-11 1969-09-16 Atomic Energy Authority Uk Method and apparatus for x-ray analysis with compensation for an interfering element
FR2522412A1 (en) * 1982-02-26 1983-09-02 Coal Industry Patents Ltd METHOD AND APPARATUS FOR ANALYZING CARBON MATERIALS CONTAINING ASH BY X-RAY SPECTROMETRY

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