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利用~1H-NMR法测定以烯丙基为端基的聚氧化乙烯-氧化丙烯醚的末端双键值。其中有直接定量法和加内标定量法。
The terminal double bond value of allyl-terminated polyoxyethylene-oxyalkylene ether was measured by ~ 1H-NMR. Which has a direct quantitative method and plus internal standard method.