作为对比,给出Aldrich的价格和参数。(http://www.sigmaaldrich.com/cata ... e®ion=DE)
carbon, >90% (trace metal basis) ,50-80% DWNT content, 10-40% other CNTs, remainder being amorphous carbon and residual metal catalysts.
价格为每克1,040.00欧元,按照今天的汇率,折合人民币8407.15元,也就是每50mg,420元左右。