National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page v
... CHEMICAL COMPOSITIONS 5 5 . CASTING 9 6 . 7 . 8 . MELTING PRELIMINARY ANALYSIS HOMOGENEITY TESTING 13 16 17 9 . SAMPLE IDENTIFICATION 21 10 . HEAT TREATMENT 23 • 11 . CHEMICAL ANALYSIS 24 12 . CONSISTENCY TESTING 25 13 . PRECAUTIONS FOR ...
... CHEMICAL COMPOSITIONS 5 5 . CASTING 9 6 . 7 . 8 . MELTING PRELIMINARY ANALYSIS HOMOGENEITY TESTING 13 16 17 9 . SAMPLE IDENTIFICATION 21 10 . HEAT TREATMENT 23 • 11 . CHEMICAL ANALYSIS 24 12 . CONSISTENCY TESTING 25 13 . PRECAUTIONS FOR ...
Page 1
... chemical standards containing a graded concentra- tion range for some 20 elements , of which the following 10 initially have been certified : C , Mn , P , S , Si , Cu , Ni , Cr , V , and Mo. Details of the planning and preparation are ...
... chemical standards containing a graded concentra- tion range for some 20 elements , of which the following 10 initially have been certified : C , Mn , P , S , Si , Cu , Ni , Cr , V , and Mo. Details of the planning and preparation are ...
Page 3
... chemical homogeneity and desired metallurgical structure are obtained solely through metal pouring and casting procedures . Additional difficulties in the preparation of cast iron standards over most other cast materials are encountered ...
... chemical homogeneity and desired metallurgical structure are obtained solely through metal pouring and casting procedures . Additional difficulties in the preparation of cast iron standards over most other cast materials are encountered ...
Page 4
... homogeneity of chemical composition . ( 3 ) Investi- gation had shown that test samples with an induced white structure could be prepared in the foundry for most types of iron ; these could thus be analyzed directly relative to 4.
... homogeneity of chemical composition . ( 3 ) Investi- gation had shown that test samples with an induced white structure could be prepared in the foundry for most types of iron ; these could thus be analyzed directly relative to 4.
Page 5
... CHEMICAL COMPOSITIONS In addition to those elements which may be considered the main components of an alloy , modern metallurgy is most intimately involved with the effects of minute amounts of other elements . These may be impurities ...
... CHEMICAL COMPOSITIONS In addition to those elements which may be considered the main components of an alloy , modern metallurgy is most intimately involved with the effects of minute amounts of other elements . These may be impurities ...
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acid solution add 10 ml aliquot alloy ammonium Analytical Analytical curve assay average beaker boil Bureau of Standards butyl acetate calibration carbon Cartridge Brass cents chemical shift chill-cast chromium composition Cool copper Copper-Base Spectrochemical Standards COPPER-BASE STANDARDS determination dilute Dissolve electrolyte electron probe electron probe microanalysis elements Erlenmeyer flask ferrite Figure filter free-cutting brass fumes glass grain heat homogeneity inclusions Institute for Materials Laboratory Low-Alloy Steel manganese Materials Research mean free path measurement metal method microns ml of H2SO4 ml of HNO3 ml of water Mossbauer National Bureau NBS Misc NBS Miscellaneous Publication NBS Spectrometric nickel nitric acid obtained oxide paper pearlite percent photometric precipitate procedure Publ Reagents sodium sodium nitroprusside spectrometer standard deviation Standard Reference Materials sulfate sulfuric acid Technology titration Transfer uranium Vacuum fusion values vanadium viscosity volumetric flask wash weight white cast iron x-ray zinc