DETERMINATION OF SIDE-GROUPS IN SILICONE OIL

SHKN CHIH-HONG; LOH WAN-CHEN.

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DETERMINATION OF SIDE-GROUPS IN SILICONE OIL

更新时间：2025-12-16

- DETERMINATION OF SIDE-GROUPS IN SILICONE OIL
- CIESC Journal Issue 2, (1965)
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- Online First：25 June 1965，
  
  Published：25 June 1965
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SHKN CHIH-HONG, LOH WAN-CHEN.. DETERMINATION OF SIDE-GROUPS IN SILICONE OIL[J]. CIESC Journal, 1965, (2).
DOI：

SHKN CHIH-HONG, LOH WAN-CHEN.. DETERMINATION OF SIDE-GROUPS IN SILICONE OIL[J]. CIESC Journal, 1965, (2). DOI：

摘要

应用乙氧基在960厘米~（-1）处的吸收

建立了硅油中乙氧基的红外光谱定量测定方法

方法的灵敏度为0.1％

精确度为0.015％。硅油中苯基含量可以应用紫外光谱法测定

精确度为0.53％

也可以由其中硅元素含量测得

两种方法所得结果无显著差异。应用紫外光谱法同时可以定量测定两种不同类型结构及在甲基苯基硅油中的相对含量。

Abstract

A differential infrared method is described for the quantitative determination of ethoxy group in silicone oil by using the characteristic absorption of the ethoxy group at the band of 960 cm-1. The sensitivity of this method is about 0.1% and its accuracy is 0.015%. The phenyl groups in silicone oil can be determined by ultraviolet spectrophoto-metric method with 0.53% accuracy or by measuring the silicone content in it. The results obtained from the two methods have no noticable difference. The ultraviolet spectrophotometric method can also be used for determination of the relative ratio of the two different structures. in methylbenzyl silicone oil.

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