On the basis of the plan,, an acid decomposition-conductmetric method is proposed to determine CO2 in carbonate form in rocks and minerals.

• 本法操作简便、成本低廉、灵敏度较高(检出限为0.；018mgCO_2)；RSD一般不超过4%25。 方法已用于多种地质试样中CO_2的测定；结果满意。