National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page 14
... dissolved in 10 ml of water and 4 ml of concentrated nitric acid . To remove excess nitric acid , the solution was ... dissolve the residue . The solution was transferred to a 50 - ml volumetric flask and made to volume with water at ...
... dissolved in 10 ml of water and 4 ml of concentrated nitric acid . To remove excess nitric acid , the solution was ... dissolve the residue . The solution was transferred to a 50 - ml volumetric flask and made to volume with water at ...
Page 17
... dissolve the samples and the final acid concentra- tion should be the same for both standard and samples . It is of interest to compare the x - ray method with chemical methods for the determinations made . Copper can be determined by ...
... dissolve the samples and the final acid concentra- tion should be the same for both standard and samples . It is of interest to compare the x - ray method with chemical methods for the determinations made . Copper can be determined by ...
Page 12
... Dissolve 25 g of ammonium persulfate ( ( NH4 ) 2S208 ) in water and dilute to 100 ml . Do not use solutions that are more than one day old . ( b ) Iron , high purity ( low manganese ) . Determine the manganese content of a suitably ...
... Dissolve 25 g of ammonium persulfate ( ( NH4 ) 2S208 ) in water and dilute to 100 ml . Do not use solutions that are more than one day old . ( b ) Iron , high purity ( low manganese ) . Determine the manganese content of a suitably ...
Page 13
... Dissolve 2.830 g of potassium dichromate ( K2Cr207 ) in water , transfer to a 1 - liter volumetric flask , dilute to volume , and mix . ( f ) Silver nitrate solution ( 8 g per liter ) . Dissolve 8 g of silver nitrate ( AgNO3 ) in water ...
... Dissolve 2.830 g of potassium dichromate ( K2Cr207 ) in water , transfer to a 1 - liter volumetric flask , dilute to volume , and mix . ( f ) Silver nitrate solution ( 8 g per liter ) . Dissolve 8 g of silver nitrate ( AgNO3 ) in water ...
Page 14
... Dissolve approximately the same weight of iron as the weight of the sample in 30 ml of the mixed acids . Transfer by pipet a portion of the manganese solution . ( 1 ml = 0.0008 g Mn ) to the iron solution . The amount of manganese added ...
... Dissolve approximately the same weight of iron as the weight of the sample in 30 ml of the mixed acids . Transfer by pipet a portion of the manganese solution . ( 1 ml = 0.0008 g Mn ) to the iron solution . The amount of manganese added ...
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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