摘要:
A heating combustion tube 20 of the present invention is used in analysis of mercury in a heated state and includes a sample pyrolysis portion 10 in which a sample S is heated and decomposed, an oxidization portion 11 in which a fourth period metal oxide 13, which is a metal oxide in the fourth period on the periodic table, and a treating portion 12 in which an alkali metal compound and/or an alkali earth metal compound 14 is filled.