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The determination of methylol groups and dibenzyl ether linkages in phenol alcohols and derived phenolic resins. Part II. Ether linkages

✍ Scribed by Lilley, H. S. ;Osmond, D. W. J.


Publisher
Wiley (John Wiley & Sons)
Year
1947
Weight
374 KB
Volume
66
Category
Article
ISSN
0368-4075

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✦ Synopsis


Grey seal blribber oilconipotientglycerides. The data in Table V permit some general conclusions to be reached concerning the chief types of mixed glycerides present in the seal blubber oil. The probable constitution of the oil is illustrated in Table VI, whilst the proportions, per 100 mol. of total triglycerides, of triglycerides containing one or two acid radicals belonging to each of the four categories of acids (saturated, unsaturated C,6, unsaturated CIS, or unsaturated Go and C,J, or of triglycerides from which such groups are absent, are shown in Table VII. TABLE VI ProSable coitrpmetrt glyceridcs of grey seal. bltibbcr oil (% tttol.) Whole A B C D fat CI, and CIS mono-ethenoid) . . . . 6 ---6 Di-saturated mono-unsaturated (mainly Mono-saturated di-unsaturated (mainly Mono-satunted di-unsaturated (mono-Triunsaturated (mono-and poly-

TABLE VII Distribution of the various categories of acyl groups iti the blubber glycerides (per 100 mol. of coral bliibber tng!scerides) Awl groups pre.reiit iti a triglyceriife siol : -I


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The determination of methylol groups and
✍ Lilley, H. S. ;Osmond, D. W. J. 📂 Article 📅 1947 🏛 Wiley (John Wiley & Sons) ⚖ 248 KB 👁 1 views

j l O ## LILLEY AND O S M O N D 4 . METHYLOL GROUPS some decrease in shear strength. At a suggestion from Dr. K. W. Pepper of the Chemical Research Laboratory the period at 0% R.H. was extended to three weeks, six samples then giving the following figures :--595, 670, 584, 635, 656, 630 : average