基于绿色考虑的碱金属氢氧化物浓度的测定

胡新, 尹富玲, 杨军, 赵明

Determination of Alkali Hydroxide Concentration Based on Green Consideration

Xin Hu, Fuling Yin, Jun Yang, Ming Zhao

Table 2 Titration results of the KOH sample solution with different methods (n = 3).

Methods Mean ± SD (mol∙L-1) t t (0.05, 4) two tails P (2, 2) Control 0.08476 ± 0.00003 BTP visual colorimetry 0.08445 ± 0.00031 1.722 2.776 0.165 Potentiometric titration 0.08464 ± 0.00033 0.627 2.776 0.556