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Journal of Analytical Science and Technology

Table 1 Mutual purity check of HMDSO and dioxane by proton NMR (d1 = 20 s, scan = 32) in CDCl3

From: A 1H NMR method for the estimation of hydrogen content for all petroleum products

No. of entry

Dioxane (Fluka, 99.99 %)

HMDSO (Aldrich, >99.5 %)

C, 54.53; H, 9.15; O, 36.32 (wt%)

C, 44.38; H, 11.17; O, 9.85; Si, 34.59 (wt%)

Weight taken (mg)

Weight (mg) by NMRa

H, by NMRa (wt%)

Weight taken (mg)

Weight (mg) by NMRb

H, by NMRb (wt%)

Solution 1

12.06

11.99

9.10

14.85

14.92

11.19

Solution 2

10.18

10.20

9.15

11.39

11.4

11.21

Solution 3

9.08

9.14

9.14

15.57

15.65

11.14

  1. aHMDSO as reference standard
  2. bDioxane as reference standard
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