National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page 4
... shown that the graphite flakes , in terms of amount , size , shape , and distribution , had a pronounced effect on the volatility rates in the determination of some elements by optical emission analysis . In white cast iron virtually ...
... shown that the graphite flakes , in terms of amount , size , shape , and distribution , had a pronounced effect on the volatility rates in the determination of some elements by optical emission analysis . In white cast iron virtually ...
Page 6
... shown in table 1. As can be seen , the proposed standards were planned to contain a concentration range for 21 elements ( and iron ) . iron ) . To provide for general application of the standards , five commercial cast iron compositions ...
... shown in table 1. As can be seen , the proposed standards were planned to contain a concentration range for 21 elements ( and iron ) . iron ) . To provide for general application of the standards , five commercial cast iron compositions ...
Page 8
... shown below , it is evident that on this basis , several of the Carbon Equivalents Number 1 Value IN 3 4 5 6 7 8 4.9 3.0 3.7 3.9 4.5 5.0 2.4 3.8 compositions have considerable tendency toward graphitizing . Admittedly , this crude ...
... shown below , it is evident that on this basis , several of the Carbon Equivalents Number 1 Value IN 3 4 5 6 7 8 4.9 3.0 3.7 3.9 4.5 5.0 2.4 3.8 compositions have considerable tendency toward graphitizing . Admittedly , this crude ...
Page 9
... shown in figure 1 , consists of a 5 - ft square steel plate to the periphery of which was edge- welded a 5 - in . wide steel strip to form a 5 - ft annulus having a tangential outlet . Within this area another strip was edge welded to ...
... shown in figure 1 , consists of a 5 - ft square steel plate to the periphery of which was edge- welded a 5 - in . wide steel strip to form a 5 - ft annulus having a tangential outlet . Within this area another strip was edge welded to ...
Page 19
... shown in table 1 . evaluation of the homogeneity test data , the 10 elements were found to have acceptable homogeneity in all eight standards . In several instances , the results of the statistical evaluation ( table 5 ) indicated ...
... shown in table 1 . evaluation of the homogeneity test data , the 10 elements were found to have acceptable homogeneity in all eight standards . In several instances , the results of the statistical evaluation ( table 5 ) indicated ...
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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