fuel gas  upper index kcal / nm 3  lower index kcal / nm 3  upper index mj / nm 3  lower index mj / nm 3
0       hydrogen                    11528                     9715                  48.23                  40.65
1        methane                    12735                    11452                  53.28                  47.91
2         ethane                    16298                    14931                  68.19                  62.47
3       ethylene                    15253                    14344                  63.82                  60.01
4    natural gas                    12837                    11597                  53.71                  48.52
5        propane                    19376                    17817                  81.07                  74.54
6      propylene                    18413                    17180                  77.04                  71.88
7     n - butane                    22066                    20336                  92.32                  85.08
8   iso - butane                    21980                    20247                  91.96                  84.71
9   butylene - 1                    21142                    19728                  88.46                  82.54
10           lpg                    20755                    19106                  86.84                  79.94
11     acetylene                    14655                    14141                  61.32                  59.16

Table as JSON:
{"fuel gas":{"0":"hydrogen","1":"methane","2":"ethane","3":"ethylene","4":"natural gas","5":"propane","6":"propylene","7":"n - butane","8":"iso - butane","9":"butylene - 1","10":"lpg","11":"acetylene"},"upper index kcal \/ nm 3":{"0":11528,"1":12735,"2":16298,"3":15253,"4":12837,"5":19376,"6":18413,"7":22066,"8":21980,"9":21142,"10":20755,"11":14655},"lower index kcal \/ nm 3":{"0":9715,"1":11452,"2":14931,"3":14344,"4":11597,"5":17817,"6":17180,"7":20336,"8":20247,"9":19728,"10":19106,"11":14141},"upper index mj \/ nm 3":{"0":48.23,"1":53.28,"2":68.19,"3":63.82,"4":53.71,"5":81.07,"6":77.04,"7":92.32,"8":91.96,"9":88.46,"10":86.84,"11":61.32},"lower index mj \/ nm 3":{"0":40.65,"1":47.91,"2":62.47,"3":60.01,"4":48.52,"5":74.54,"6":71.88,"7":85.08,"8":84.71,"9":82.54,"10":79.94,"11":59.16}}