National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page 19
... it is frequently possible to observe statistical significance for inhomogeneity . The " within plate " test level for molybdenum is only 0.0002 percent ; thus a difference between Table 5 . Typical Homogeneity Test Data : Manganese , 19.
... it is frequently possible to observe statistical significance for inhomogeneity . The " within plate " test level for molybdenum is only 0.0002 percent ; thus a difference between Table 5 . Typical Homogeneity Test Data : Manganese , 19.
Page 21
... observed . The value of ± 1.3 percent for manganese among the nine plates was deemed acceptable from the practical standpoint although falling somewhat outside of the ± 1 percent criterion . 9. SAMPLE IDENTIFICATION Since only half of ...
... observed . The value of ± 1.3 percent for manganese among the nine plates was deemed acceptable from the practical standpoint although falling somewhat outside of the ± 1 percent criterion . 9. SAMPLE IDENTIFICATION Since only half of ...
Page 26
... observed among the eight NBS standards and among the sets of standards for the elements manganese , silicon copper , nickel , chromium , vanadium , and molybdenum . carbon , a bias was exhibited between different sets when examined with ...
... observed among the eight NBS standards and among the sets of standards for the elements manganese , silicon copper , nickel , chromium , vanadium , and molybdenum . carbon , a bias was exhibited between different sets when examined with ...
Page 28
... observed . On further investigation , the apparent differences exhibited by optical emission were attributed to a differential heating effect . The heat conductivity of the white iron samples was found to be poor . In effect , just the ...
... observed . On further investigation , the apparent differences exhibited by optical emission were attributed to a differential heating effect . The heat conductivity of the white iron samples was found to be poor . In effect , just the ...
Page 2
... observed depending on the size , shape , and material of the molds used in obtaining chill - cast samples , the type of heat treatment for wrought samples , and the sur- face preparation of both types of samples for spectrochemical ...
... observed depending on the size , shape , and material of the molds used in obtaining chill - cast samples , the type of heat treatment for wrought samples , and the sur- face preparation of both types of samples for spectrochemical ...
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Common terms and phrases
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