| 000 | 01186pam a2200289 a 4500 | ||
|---|---|---|---|
| 999 |
_c1229 _d1229 |
||
| 001 | 3748258 | ||
| 003 | Biblioteca de INTEMIN | ||
| 005 | 20180506220101.0 | ||
| 008 | 811214s1982 mdu b f000 0 eng | ||
| 010 | _a 81607160 | ||
| 040 |
_aDLC _cDLC _dDLC |
||
| 050 | 0 | 0 |
_aTN23 _b.U43 no. 8643 _aQD181.H4 |
| 082 | 0 | 0 |
_a622 s _a546/.75165 _219 |
| 086 | 0 | _aI.28.23:8643 | |
| 100 | 1 |
_aLoya, Ernest W. _93735 |
|
| 245 | 1 | 0 |
_aGravimetric preparation of primary standard gas mixtures in the parts per trillion range / _cby Ernest W. Loya, Charles A. Seitz, and David E. Emerson. |
| 260 |
_a[Avondale, Md.] : _bU.S. Dept. of the Interior, Bureau of Mines, _c1982. |
||
| 300 |
_a4 p. ; _c28 cm. |
||
| 490 | 1 |
_aReport of investigations / United States Department of The Interior, Bureau of Mines ; _v8643 |
|
| 504 | _aIncludes bibliographical references. | ||
| 650 | 0 |
_aHelium _xAnalysis. _93176 |
|
| 650 | 0 |
_aChemistry, Analytic _xQuantitative. _93736 |
|
| 700 | 1 |
_aSeitz, Charles A. _92560 |
|
| 700 | 1 |
_aEmerson, David E. _93737 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v8643. _9793 |
|
| 906 |
_a7 _bcbc _corignew _d1 _encip _f19 _gy-gencatlg |
||
| 942 |
_2udc _cCR |
||