congo red test

[ˈkɔŋɡəu red test]
  • congo red test
  • 释义

    刚果红试验;

纠错 数据更新时间:2024-12-23 00:02:58
1、

The oxalic acid was cauterize in the muffle at 200 ℃ until fully volatilized. The solution pH was adjusted with drop ( 1+ 1) hydrochloric acid ( the congo red test paper change color from red to blue) to about 4 to remove carbon dioxide.

在马弗炉(200℃)灼烧至草酸全部挥发,滴加(1+1)盐酸,使刚果红试纸由红变蓝色(或调节pH到4左右),除去二氧化碳。

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2、

And research of thermal stabilizer on zinc acetate-stearic acyloxy and zinc acetate-stearic acyloxy plus calcium stearate by means of test method for thermal aging and Congo red test paper etc is given in the paper.

以硬脂酸锌作为对照物,通过热老化箱实验法、刚果红试纸法等多种方法对硬脂酰氧基乙酸锌及硬脂酰氧基乙酸锌/硬脂酸钙进行了热稳定性的研究。

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3、

The results of the Congo Red test showed that calcium stearate, zinc stearate, or barium stearate which was used single is not a good thermal stabilizer for flexible PVC.

结果表明:在软质PVC体系中单独使用金属皂类热稳定剂时软质PVC的热稳定性能不好;

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4、

The vitro methods include autoagglutination test, calcium dependency test, pyrazinamidase test, salicin fermentation, esculin hydrolysis, Congo red colony test and virulence plasmid.

体外法包括自凝试验、依钙试验、吡嗪酰胺酶试验、水杨苷发酵、七叶苷水解、刚果红菌落试验和毒力质粒。

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5、

Congo red test showed that the stabilizing time increased when the stabilizers' concentration increased. The order of stability of this four rare-earth stearates is Last> Ndst> Yst> Dyst.

刚果红法测定结果表明,随着硬脂酸稀土用量增加,PVC的热稳定时间呈现增加的趋势,4种不同稀土硬脂酸盐稳定能力大小顺序为Last>Ndst>Yst>Dyst。

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6、

Experiments on the transition time of Congo red test paper showed that the thermal decomposition time of nano-PVC composite resin was nearly ten times longer than that of traditional PVC resin.

185℃刚果红试纸变色时间试验证明,纳米复合PVC树脂热分解时间比传统产品延长了近10倍。

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