Welcome to CDC stacks |
Stacks Logo
Advanced Search
Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.
 
 
Help
Clear All Simple Search
Advanced Search
A mass spectrometer method for determining helium in the parts-per-million to 10-percent range
Filetype[PDF-742.84 KB]


Details:
  • Supporting Files:
    No Additional Files
No Related Documents.
You May Also Like:
  1. An improved analyzer for determining helium-4 in parts-per-billion range
    Personal Author:
    Seitz, Charles A.; Holland, Philip W.;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1986
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9010
    Description:
    "The Bureau of Mines has modified its parts-per-billion helium-4 analyzer to improve the analytical capabilities of the instrument. The modifications resulted in the following improvements: (1) the analytical precision of the instrument for 10 consec...
    File Type:
    Filetype[PDF - 538.52 KB]
  2. Improved method for determination of helium-4 in helium-3 by mass spectrometry
    Personal Author:
    Burton, Samuel R. M.; Cornelius, David E.;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1989
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9232
    Description:
    "This U.S. Bureau of Mines report describes a method for determining parts per million (ppm) of helium-4 (he-4) in helium-3 (he-3) to an accuracy of +/-5 pct by mass spectrometry. Gravimetrically prepared primary standards were used for the calibrati...
    File Type:
    Filetype[PDF - 412.28 KB]
  3. An analyzer for determining helium-4 in the parts-per-billion range
    Personal Author:
    Holland, Philip W.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1984
    Series:
    Report of investigations (United States. Bureau of Mines) ; 8853
    Description:
    "The Bureau of Mines has developed a trace helium analyzer for determining helium-4 in the parts-per-billion range. The instrument is used for analyzing pure gases, laboratory-prepared standards, and atmospheric samples. Accuracy at the 95-pct confid...
    File Type:
    Filetype[PDF - 601.99 KB]
  4. An improved method for determining helium in water
    Personal Author:
    Holland, Philip W.
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1989
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9249
    Description:
    "The U.S. Bureau of Mines has developed an improved method for determining dissolved helium in water in the concentration range of 4.0 X 10-8 to 270 x 10-8 cm3 he (stp)/cm3 h2o. The method is a modification of a previously reported method that was de...
    File Type:
    Filetype[PDF - 656.97 KB]
  5. Method and apparatus for direct determination of helium-3 in natural gas and helium
    Personal Author:
    Davidson, Thomas A.; Emerson, David E.;
    Corporate Authors:
    United States. Bureau of Mines.
    Published Date:
    1990
    Series:
    Report of investigations (United States. Bureau of Mines) ; 9302
    Description:
    "The Bureau of Mines Helium Field Operations has developed a method for determining the helium-3 (3he) content of natural gas and mixtures containing 0.5 to 100 pct helium. The helium is preconcentrated by passing samples through anhydrone, a liquid-...
    File Type:
    Filetype[PDF - 877.61 KB]