Determination of nitrogen in steel

Hague, J.L.; Paulson, Rolf A.; Bright, H.A.

doi:10.6028/jres.043.022

Cited by 16 publications

(12 citation statements)

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“…By use of larger than usual amounts of potassium sulfate during digestion, Epelbaum and Ormont (21) reduced the time necessary7 to decompose the acid-insoluble nitrogen compounds in alloy steels to from 6 to 8 hours. Hague, Paulson, and Bright (32) demonstrated that under suitable conditions hy'drogen peroxide was effective in decomposing these compounds, so that an accurate value for total nitrogen could be obtained on steels containing such "acid-insoluble" nitrogen compounds as titanium nitride.…”

Section: Specific Methodsmentioning

confidence: 99%

Ferrous Metallurgy

Beeghly¹

1950

Anal. Chem.

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PRACTICALadvances in ferrous analytical chemistry result from a correlation of available information with experience in selecting the most likely approach to solution of a specific problem. Frequently these advances are made under the compulsion of need for new or better data on experimental operations or new experimental alloys, and the chemist utilizes the store of basic information in the literature along with new reagents and tools as a basis for devising the method best suited to his requirements and the working facilities at his disposal. BASIC INFORMATION

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Section: Specific Methodsmentioning

confidence: 99%

Ferrous Metallurgy

Beeghly¹

1950

Anal. Chem.

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“…(Continued) e 2g sample (NH^) 2 S 2 0q oxidation, titrated potentiometrically with Fe(NH 4 ) 2 (S0^) 2 [17].. f 10g sample, NaHCOo separation, HNO^oxidation, titrated potentiometrically with Fe(NH^) 2 ( S0^) 2 [173. s 3g sample, HNOo oxidation, titrated potentiometrically with Fe(NH 4 ) 2 (S0 4 ) 2 [17] [183. lg sample (NHh)pSoOo oxidation, titrated potentiometrically with Na 2 HAs0o [19]. 0.5g sample, ammonia steam distilled from alkaline solution titrated with HC1 using pH meter [20], ^0.5g sample, ammonia steam distilled from alkaline solution, titrated spectrophotometrically using Methyl Violet indicator [20]. lg sample, ammonia steam distilled from alkaline solution, titrated spectrophotometrically using Methyl Violet indicator [20].…”

Section: Separation Of Fluoride From Caf2mentioning

confidence: 99%

“…0.5g sample, ammonia steam distilled from alkaline solution titrated with HC1 using pH meter [20], ^0.5g sample, ammonia steam distilled from alkaline solution, titrated spectrophotometrically using Methyl Violet indicator [20]. lg sample, ammonia steam distilled from alkaline solution, titrated spectrophotometrically using Methyl Violet indicator [20].…”

Section: Separation Of Fluoride From Caf2mentioning

confidence: 99%

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Analytical coordination chemistry :

Menis¹

1967

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Studies in four areas of analytical chemistry: titrimetry, gravimetry, flame emission and atomic absorption, and solution spectrophotometry, are described from the standpoint of analytical coordination chemistry and applications to NBS standard report describes studies of the recent efforts involving instrumental methods, pyrohydro lytic separations of nitride, boride and fluoride from refractory materials and a summary of results on recently certified materials.

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“…Hague e< al. (83) presented details of a rapid semimicromethod for the determination of nitrogen in steel, applicable to stabilized austenitic chrome-nickel grades.…”

Section: Generalmentioning

confidence: 99%