碘价

油脂碘价的快速测定方法

A Fast Determination Method of Iodine Value of Oil and Fat

关于植物油碘价测定法中误差的探讨

Discussion on the Source of Errors in Determination on Iodine Value of Vegetable Oil

用原子吸收、碘价分析、活性和BET比表面积测定及XRD、TG-DTA、IR等手段，对催化剂和产物进行了物理和化学表征。

Physical and chemical properties of the catalysts were studied using activity measurement , BET surface area measurement , XRD , TG DTA and IR spectra etc.

用原子吸收、碘价分析、BET比表面测定、XRD和IR等手段对上述催化剂以及进口催化剂进行了物理和化学表征。

Physical and chemical characterization of the catalysts as well as some import catalysts also was carried out by means of atomic spectra , activity and BET surface area measurement , XRD and IR etc.

分别对超临界CO2流体萃取法和压榨法制取的核桃油的脂肪酸组分含量，以及碘价、皂化价、酸价、过氧化值等四个质量指标进行了研究。

Composition of fatty acid and four kinds of quality in dex-iodin value , saponification value , acid value and peroxide value of walnut oil extracted by Supercritical CO 2 and pressing were studied .

那么，就可以计算植物油的碘价了。

It is then possible to calculate the iodine number of the vegetable oil .

所以碘价的测定在油脂日常检测中具有重要意义。

So the measurement of the iodine price has important meaning in the grease everyday the examination .

粗脂肪、胆固醇含量、碘价和脂肪酸组成在品种不同部位存在明显差异；

The differences between positions were detected in fatty acid composition , gross fat , cholesterol and iodine value in measured breeds .

真空有利于抑制烤鳗油氧化，防止过氧化值和碘价的变化；

The vacuum was helpful in inhibition of its oxidation , and redounded to the stability of peroxide value and iodine number .

试验结果表明，核桃的总脂肪含量和碘价在贮藏过程中下降，而酸价、过氧化值和皂化值升高。

It was showed that oxidation of fat acid of walnut kernels were restrained by shell and it was advantageous to their storage quality .

用中国25个省区80年代的大豆生产品种做了蛋白质、脂肪、18种氨基酸、5种脂肪酸、碘价的化学分析及其相关和通径分析。

Protein content and its composition , fat and its composition and their relative and path analysis of 70 current soybean cultivars from 25 provinces in China were analysed .

本文研究了紫胶树脂在漂白和脱氯过程中分子量、热寿命、酸价、碘价、羟基值和氯含量的变化情况。

The changes of molecular weight , life under heat , acid value , hydroxyl value and chlorine content of lac resin during bleaching and de-chlorinating processes have been studied .

油脂碘价在130即为干性油。桐油碘价高达160以上，是优质干性油。

If the iodine value of oil is up to 130 , it will be categorized into dry oil , and that of tung oil is up to 160 , so it is listed as a kind of high quality dry oil .

结果表明：常规水化脱胶和湿法脱胶工艺能满足茶油的脱胶要求，对酸价、过氧化值和碘价的影响较小，并有较高的工艺得率；

Results indicated that both the conventional hydrated degumming and the wet degumming technique can meet the standard of degumming , and they not only had little negative effect on the acid value , peroxidation , and iodine value , but had a high oil yield .