参考图：



以CA28为例，孔径按（5-50nm / 50-500nm / ＞500nm）划分。

（1）按孔径划分根据Cumulative Pore Volume（mL/g）计算出各孔径范围孔体积：
单位质量总孔体积VAll为：0.0172873307019472 mL/g
A. VA (5-50nm) = 0.0172873307019472 - 0.0140695618465543 mL/g = 0.0032177688553929 mL/g
注：5.7nm处值减50.41nm处值
B. VB (50-500nm) = 0.0140695618465543 - 0.012216541916132 mL/g = 0.0018530199304223 mL/g
注：50.41nm处值减553.74nm处值
C. VC (＞500nm) = 0.012216541916132 - 0 mL/g = 0.012216541916132 mL/g
注：553.74处值
验算：VAll = VA + VB + VC

（2）相对孔隙分布计算（总孔隙率PAll设为1，即100%）：
单位质量总孔体积VAll为：0.0172873307019472 mL/g（即总进汞量，第二列数据最后一个数值。第四列数据为退汞量，仅供参考）
A. PA (5-50nm) = VA / VAll * 100%
=0.0032177688553929 / 0.0172873307019472 * 100% = 18.6134511502% ≈ 18.61%
B. PB (50-500nm) = VB / VAll * 100%
= 0.0018530199304223 / 0.0172873307019472 * 100% = 10.7189476638% ≈ 10.72%
C. PC (＞500nm) = VC / VAll * 100%
= 0.012216541916132 / 0.0172873307019472 * 100% = 70.6676011858% ≈ 70.67%
验算：PAll = PA + PB + PC

（3）绝对孔隙分布计算（总孔隙率KAll为4.0721%，summary report中的porosity）：
单位质量总孔体积VAll为：0.0172873307019472 mL/g
A. KA (5-50nm) = VA / VAll * 100% * KAll
=0.0032177688553929 / 0.0172873307019472 * 100% * 4.0721% ≈ 0.758%
B. KB (50-500nm) = VB / VAll * 100% * KAll
= 0.0018530199304223 / 0.0172873307019472 * 100% * 4.0721% ≈ 0.436%
C. KC (＞500nm) = VB / VAll * 100% * KAll
= 0.012216541916132 / 0.0172873307019472 * 100% * 4.0721%  ≈ 2.878%
验算：KAll = KA + KB + KC

结果图



数据源：