碳素定量法已成功地用于仅含 C、H、O、N 元素的化合物的测定,但空管燃烧法需较高的氧化温度,而且有些化合物的燃烧产物能使镍催化剂中毒.本文在燃烧管中加入氧化催化剂 Co_3O_4、AgMnO_2、AgVO_3,能降低氧化温度,并有效地除去硫和卤素对镍催化剂的影响.本法有良好的重现性和准确性,可在无标样的情况下直接测定有机化合物. Carbon quantification has been successfully used for the determination of compounds containing only elements C, H, O and N. However, the air-tube combustion method requires a higher oxidation temperature, and the combustion products of some compounds can poison the nickel catalyst. The addition of the oxidation catalysts Co 3 O 4, AgMnO 2 and AgVO 3 to the combustion tube can reduce the oxidation temperature and effectively remove the influence of sulfur and halogen on the nickel catalyst. This method has good reproducibility and accuracy and can be used in the absence of standard samples Direct determination of organic compounds.