He 16 mau laana lanahu me ka sulfur maʻiʻo like ʻole no ka hoʻohana ʻana ma ke ʻano he analytical standard no ka nānā ʻana i ka lanahu.Ma waho aʻe o ka sulfur, ua hōʻoia ʻia lākou no kā lākou lehu, mea volatile, waiwai calorific, carbon, hydrogen, nitrogen a me ka pili pono maoli.Hāʻawi ʻia nā ʻikepili āpau ma ka papa 1.