FR870229A - Method for the rapid determination of the nitrogen content of iron, steel and their alloys - Google Patents

Method for the rapid determination of the nitrogen content of iron, steel and their alloys

Info

Publication number
FR870229A
FR870229A FR870229DA FR870229A FR 870229 A FR870229 A FR 870229A FR 870229D A FR870229D A FR 870229DA FR 870229 A FR870229 A FR 870229A
Authority
FR
France
Prior art keywords
alloys
iron
steel
nitrogen content
rapid determination
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
Other languages
French (fr)
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.)
Thyssen AG
Original Assignee
August Thyssen Huette AG
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 August Thyssen Huette AG filed Critical August Thyssen Huette AG
Application granted granted Critical
Publication of FR870229A publication Critical patent/FR870229A/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
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/002—Determining nitrogen by transformation into ammonia, e.g. KJELDAHL method
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20—Metals
    • G01N33/202—Constituents thereof
    • G01N33/2022—Non-metallic constituents
    • G01N33/2025—Gaseous constituents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR870229D 1940-03-23 1941-02-22 Method for the rapid determination of the nitrogen content of iron, steel and their alloys Expired FR870229A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870229X 1940-03-23

Publications (1)

Publication Number Publication Date
FR870229A true FR870229A (en) 1942-03-05

Family

ID=6804738

Family Applications (3)

Application Number Title Priority Date Filing Date
FR870229D Expired FR870229A (en) 1940-03-23 1941-02-22 Method for the rapid determination of the nitrogen content of iron, steel and their alloys
FR52126D Expired FR52126E (en) 1940-03-23 1942-05-05 Method for the rapid determination of the nitrogen content of iron, steel and their alloys
FR53373D Expired FR53373E (en) 1940-03-23 1943-11-12 Method for the rapid determination of the nitrogen content of iron, steel and their alloys

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR52126D Expired FR52126E (en) 1940-03-23 1942-05-05 Method for the rapid determination of the nitrogen content of iron, steel and their alloys
FR53373D Expired FR53373E (en) 1940-03-23 1943-11-12 Method for the rapid determination of the nitrogen content of iron, steel and their alloys

Country Status (3)

Country Link
BE (3) BE440315A (en)
DE (1) DE747441C (en)
FR (3) FR870229A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19653215B4 (en) * 1996-01-23 2012-04-19 Büchi Labortechnik AG Method and device for determining the nitrogen content of organic samples

Also Published As

Publication number Publication date
FR53373E (en) 1945-10-17
FR52126E (en) 1943-08-17
DE747441C (en) 1944-09-25
BE445444A (en) 1900-01-01
BE440315A (en) 1900-01-01
BE452765A (en) 1900-01-01

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