Materials available for mixing by TOPS

Materials can be referenced by chemical symbol, atomic number, or matid.

                           Available materials
  Z  Element  New Matid   Old Matid       Z  Element  New Matid   Old Matid
  1     H      n15254      n15253         2     He     n15764      n15763
  3     Li     n12294      n12293         4     Be     n12026      n12025
  5     B      n12334      n12333         6     C      n17834      n17833
  7     N      n15004      n15003         8     O      n15014      n15013
  9     F      n15044      n15043        10     Ne     n15414      n15413
 11     Na     n12443      n12442        12     Mg     n12864      n12863
 13     Al     n13719      n13718        14     Si     n13814      n13813
 15     P      n13912      n13911        16     S      n14013      n14012
 17     Cl     n15022      n15021        18     Ar     n15173      n15172
 19     K      n12462      n12461        20     Ca     n12032      n12031
 21     Sc     n12182      n12181        22     Ti     n12962      n12961
 23     V      n12552      n12551        24     Cr     n13072      n13071
 25     Mn     n13082      n13081        26     Fe     n12143      n12142
 27     Co     n13122      n13121        28     Ni     n13102      n13101
 29     Cu     n13332      n13331        30     Zn     n13142      n13141

Please mail questions or comments to:
LANL T-1 Opacities <>