National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page 9
... solutions having different acid concentrations . Three nitric acid solutions of NBS C1120 were prepared , each containing the same concentration of brass , 10 mg per ml . The excess nitric acid was removed by evaporating the solution to ...
... solutions having different acid concentrations . Three nitric acid solutions of NBS C1120 were prepared , each containing the same concentration of brass , 10 mg per ml . The excess nitric acid was removed by evaporating the solution to ...
Page 14
... solution would not produce a significant change in the intensity measurements . 6 . APPLICATION TO ANALYSIS Since close control of acid and film position was found ... Solution cells were filled with solutions of synthetic standards and 14.
... solution would not produce a significant change in the intensity measurements . 6 . APPLICATION TO ANALYSIS Since close control of acid and film position was found ... Solution cells were filled with solutions of synthetic standards and 14.
Page 12
... solution to the solution used for standardization . Apparatus Apparatus for potentiometric titration is available commercially . Reagents ( a ) Ammonium persulfate solution ( 250 g per liter ) . Dissolve 25 g of ammonium persulfate ...
... solution to the solution used for standardization . Apparatus Apparatus for potentiometric titration is available commercially . Reagents ( a ) Ammonium persulfate solution ( 250 g per liter ) . Dissolve 25 g of ammonium persulfate ...
Page 13
... solution ( 54 g per liter ) . Dissolve 54 g of sodium arsenite ( NaAsO2 ) in water and dilute to 1 liter . = ( h ) Sodium arsenite , standard solution ( 1 ml 0.0008 g Mn ) . Dilute 100 ml of the sodium arsenite solution described in ...
... solution ( 54 g per liter ) . Dissolve 54 g of sodium arsenite ( NaAsO2 ) in water and dilute to 1 liter . = ( h ) Sodium arsenite , standard solution ( 1 ml 0.0008 g Mn ) . Dilute 100 ml of the sodium arsenite solution described in ...
Page 14
... solution . ( 1 ml = 0.0008 g Mn ) to the iron solution . The amount of manganese added should be approximately the same amount as expected in the sample . Dilute to 130 ml with water and proceed as directed in paragraphs ( d ) and ( e ) ...
... solution . ( 1 ml = 0.0008 g Mn ) to the iron solution . The amount of manganese added should be approximately the same amount as expected in the sample . Dilute to 130 ml with water and proceed as directed in paragraphs ( d ) and ( e ) ...
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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