National Bureau of Standards Miscellaneous Publication, Issue 260U.S. Government Printing Office, 1969 |
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aliquoting alloy analysis analytical approximately arsenic trioxide assay Atom percent austenite average boric acid boron Bureau of Standards calculated calibration mixes carbon cents certificate chart chemical circuit Computer Amplitude Reference concentration Contents of elements correction coulometric crucible curves DEPARTMENT OF COMMERCE determined dilution effective purity electron probe microanalysis error experimental ferrous ammonium sulfate Figure filament temperature given in Table Homogeneity Characterization ignition iodine ion current ionization isotopic isotopic composition laboratory mass spectrometer methods microprobe minor isotope National Bureau NBS Misc NBS Spec Nickel nitrogen obtained Office of Standard operating output oxide platinum Potassium Dichromate potassium permanganate prepared procedure Publ purity of SRM ratio sample filament separated isotope Silicon Sodium Oxalate solution spiked SRM 40h SRM 83c standard deviation Standard Magnetic Tape Standard Reference Materials Standard samples Steel technique third law titration uranium values viscosity voltage Washington weight X-ray