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2 edition of determination of nitrogen in steel. found in the catalog.

determination of nitrogen in steel.

British Iron and Steel Research Association.

determination of nitrogen in steel.

by British Iron and Steel Research Association.

  • 259 Want to read
  • 12 Currently reading

Published by Iron and Steel Institute .
Written in English


Edition Notes

SeriesSpecial reports -- No. 62.
The Physical Object
Pagination146p.
Number of Pages146
ID Numbers
Open LibraryOL14064302M

An absorption cell containing an ammonium ion-selective electrode has been constructed and used for the determination of mobile nitrogen in steel; this nitrogen is released as ammonia when the steel is heated at °C in a stream of hydrogen. The cell was used . It seems like the typical laboratory methods for determining the carbon content of steel are to cuppellate it in a stream of oxygen and then measure the volume of the evolved $\ce{CO}$ and $\ce{CO2}$, which involves many high-temperature complexities.

Nitrogen as ammonium compounds was determined by Steel’s modification of Folin’s method.2 This method was decided upon because of the heavy precipitates of phosphates so often encoun- tered in steer’s urine.3 Duplicate determinations of ammonia nitrogen were made daily using the apparatus described by Foliq4Cited by: 1. Chemical Analysis of Metals Chemical analysis of metallic materials is important to ensure that you and your clients are getting the material that is appropriate for the intended end use. Chromatography, Gravimetric analysis, ICP analysis, OES analysis, SEM-EDS analysis and XRF analysis are a few common qualitative and quantitative methods of.

  Nitrogen produces the similar ferrite solution strengthening effect that carbon does. (Table 3 illustrates how this nitrogen effect influences the hardness of bars of different sizes.) Nitrogen’s Not So Pleasant Secret. One issue with steels high in nitrogen content is that they have a tendency to crack during cold working. Sets out a method for determination of nitrogen in all types of steel, and is applicable to nitrogen contents between % and %.RECONFIRMATION NOTICETechnical Committee CH has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require n.


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Determination of nitrogen in steel by British Iron and Steel Research Association. Download PDF EPUB FB2

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These test methods replace Test Methods D (Nitrite) and D (Nitrate). The nitrite test method (Test Method D) used a reagent that is considered to be a potential nitrate test method (Test Method D) has been shown to have relatively large errors when used in wastewaters and also has greater manipulative difficulties than the test method described herein.

BureauofStandardsJournalofResearch [Vol.7 Theextractedgasesarepassedovercopperoxideinordertooxidize peroxideis 2, — of. E Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Inert Gas Fusion Techniques sulfur content~ carbon content~ hydrogen content~ nitrogen content~ oxygen determination of nitrogen in steel.

book inert. Nitrogen Determination by Kjeldahl Method The Kjeldahl method is used to determine the nitrogen content in organic and inorganic samples. For longer than years the Kjeldahl method has been used for the determination of nitrogen in a wide range of samples.

The determination of Kjeldahl nitrogen is made in foods and drinks, meat, feeds. We describe the quantitative determination of low nitrogen contents (Cited by:   Section Name: Wrought Steel Products (MTD 4) Designator of Legally Binding Document: IS Title of Legally Binding Document: Methods of Chemical Analysis of Steels, Part Determination of Nitrogen in Steel by Inert Gas Fusion - Thermal Conductivity Method (Nitrogen to.

Unfortunately, no information regarding the precision of most of the References p. VOL. 21 (i) DETERMINATION OF NITROGEN IN METALS independent analyses was available. However, the precision of the results of the present study are reported here as an indication of what might be expected from the isotope dilution by: 9.

A designed Cr-Mn-N wire with wt% of nitrogen content (HNS) was used to make high nitrogen austenite stainless steel parts by introducing CMT wire and arc additive manufacturing (CMT-WAAM. Procedures can be employed during steel refining which will regulate the oxygen and nitrogen content in the final product.

It is therefore desirable to possess suitable analytical procedures for the determination of oxygen and nitrogen in order that their magnitude can be carefully controlled. ACited by: 1. The methods used for the determination of nitrate nitrogen in plant materials have been adapted from methods used in the ana- lysis of soils and fertilizers.

The one most used at present in- volves reduction by Devarda’s alloy, and the determination by titration of. Nitrogen in an aluminium-killed steel was determined by an isotope-dilution method using synthesized aluminium nitride enriched with 15 N.

The results were in agreement with those obtained by chemical determination, whereas the vacuum fusion method with iron and platinum baths, and the isotope-dilution method using gaseous 15 N-enriched nitrogen, did not give accurate by: 5.

EFFECT OF NITROGEN ON STEEL 2 III. PRESENT METHODS PCE THE DETERMINATION OP NITROGEN IN STEEL ij-IV. POSSIBILITIES OF DETERMINING NITROGEN IN METALS BY SPECTROGRAPHS TECHNIQUES 9 A. Introduction 9 B. Basic Problems in the Development of a Spectrographs Method for Nitrogen 9 C.

Previous Spectrographic Work on the Determination of. The measurement of prompt particles from reactions induced by MeV deuterons on nitrogen can serve as a rapid method for determining nitrogen in steels in ppm range.

With suitable absorbers the energy of the prompt alpha-particles can be reduced to that of the prompt protons and counts from both be integrated over a single energy by: Determination of Nitrogen in Steel By John 1.

Hague, Rolf A. Paulson, and Harry A. Bright A rapid semimicro method for the determination of nitrogen in steel is described.

A to gram sample is usually required, and the nitrogen is put into solution as ammo­ nium sulfate by suitable treatment of the sample with sulfuric Size: 9MB. Steel — Determination of nitrogen content — Spectrophotometric method. This method is applicable to non-alloy and low-alloy steels containing between % (m/m) and % (m/m) of nitrogen and less than % (m/m) of ry: w.

A non-isothermal method for the determination of the gas diffusivity in metals and alloys is proposed. The method allows to determine the temperature dependence of the gas diffusion coefficient in. Determination of Oxides of Nitrogen by the Phenoldisulfonic Acid Method.

Bureau of Mines, U.S. Dept. of Interior. R.I. February 5. Hamil, H.F. and D.E. Camann. Collaborative Study of Method for the Determination of Nitrogen Oxide Emissions from Stationary. Gases in Metals: 1. The Determination of Combined Nitrogen in iron and steel and the change in form of nitrogen by heat treatment by Jordan, Louis, and Swindells, F.E.

buy astm e test methods for determination of carbon, sulfur, nitrogen, and oxygen in steel, iron, nickel, and cobalt alloys by various combustion and fusion techniques from sai global.Effect of Nitrogen on Steel Properties.

The effect of nitrogen on steel properties can be either detrimental or beneficial, depending on the other alloying elements present, the form and quantity of nitrogen present, and the required behavior of the particular steel product.

In general, however, most steel products require that nitrogen be kept. Nitriding is a thermo-chemical process which can lead to pronounced improvements of the mechanical and chemical properties, as the fatigue endurance and the corrosion resistance of steels.

The process basically consists of nitrogen incorporation t.