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ophelia722

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[求助] 高碘酸氧化法检测甘油和乙二醇的公式推导

根据高碘酸氧化法检测甘油和乙二醇含量的原理,1mol甘油和1mol乙二醇分别对应1/12mol和1/6mol的Na2S2O3,那么公式:
甘油%=  (B-T) x N x 0.02302 x 100/W
T = 样品实验滴定所耗硫代硫酸钠溶液的体积  (mL)
B = 空白实验滴定所耗硫代硫酸钠溶液的体积  (mL)
N = 硫代硫酸钠的摩尔浓度   (mol/L)
W = 样品的重量  (g)

请问其中的0.02302是怎么来的?我怎么算都算不出来。

以此类推的话,乙二醇含量的计算公式是怎样的呢?
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