National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page 2
... boil " immediately after melt down . Also , as a possible aid to reducing the inclusions in the final material and to obtaining a finer grain size , a rare earth addition was made to the molten metal in the ladle prior to skimming and ...
... boil " immediately after melt down . Also , as a possible aid to reducing the inclusions in the final material and to obtaining a finer grain size , a rare earth addition was made to the molten metal in the ladle prior to skimming and ...
Page 5
... boiling alkaline sodium picrate , and 5 min in 5 percent alcoholic hydrochloric acid . Note attack by the sodium picrate on the small crystallites between bars and slight attack ( lighter color ) on bars by the hydro- chloric acid ...
... boiling alkaline sodium picrate , and 5 min in 5 percent alcoholic hydrochloric acid . Note attack by the sodium picrate on the small crystallites between bars and slight attack ( lighter color ) on bars by the hydro- chloric acid ...
Page 8
... boiling alkaline sodium picrate ) mixed with a carbide . It is surmised that the carbide is Fe - Cr since the carbon bearing patches in the bulk of the steel behave in a like manner under polarized light to the crystallites remaining ...
... boiling alkaline sodium picrate ) mixed with a carbide . It is surmised that the carbide is Fe - Cr since the carbon bearing patches in the bulk of the steel behave in a like manner under polarized light to the crystallites remaining ...
Page 13
... sample is complete , and boil the solution until brown fumes have been expelled . Dilute to 75 ml with water , filter through a coarse paper , collecting the filtrate in a 500 - ml Erlenmeyer flask . Wash the residue with hot water , 13.
... sample is complete , and boil the solution until brown fumes have been expelled . Dilute to 75 ml with water , filter through a coarse paper , collecting the filtrate in a 500 - ml Erlenmeyer flask . Wash the residue with hot water , 13.
Page 14
... boiling , and boil briskly for 90 sec . Cool to 5 to 10 ° C in an ice bath . ( e ) Transfer the solution to a 400 - ml beaker and rinse the flask with 50 ml of cold water ( 5 to 10 ° c ) . Position the electrodes of the titrimeter in ...
... boiling , and boil briskly for 90 sec . Cool to 5 to 10 ° C in an ice bath . ( e ) Transfer the solution to a 400 - ml beaker and rinse the flask with 50 ml of cold water ( 5 to 10 ° c ) . Position the electrodes of the titrimeter in ...
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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