41. Решение задачки по химии №556

19. Determine the selectivity coefficient of a column filled with Vaseline oil (15%) on a brick and the separation criterion for pairs of sequentially eluted hydrocarbons. The values ​​of retention distances and peak widths of sorbates (mm) are given below:
Hydrocarbon l m0.5
Toluene 170 11
Ethylbenzene 310 13
n-Nonane 386 16
n-Decane 661 23

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