测定体积的

The oil absorption value test clarifies that the surface oleophilic character of MnCO3 received on the condition that butanol, CTAB bulk ratio of 1:4 have been well improved.

吸油值测定结果：正丁醇与CTAB体积比为1:4体系得到的碳酸锰粉面亲油性能得到显改善。