• The residue was washed with dilute hydrochloric acid solution, The precipitation was dried, purified, and identified by the infrared spectrometry (IR) and high mass spectrometry(HRMS)with DES-HS.

    反应产物稀盐酸溶液洗涤,将所得沉淀干燥后经分离纯化,对纯化产物进行分辨质谱红外光谱鉴定

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  • Under the proper temperature, the proper dilute hydrochloric acid liquid can reach 20% or so of pectin production rate.

    适当浓度盐酸适当的温度、时间下可以得到20%左右的果胶

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  • Difficult to dissolve in water, soluble in dilute hydrochloric acid and nitric acid, in the air and stability.

    溶于,易溶于稀盐酸硝酸空气稳定。

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  • Nitric acid is sulfuric acid and hydrochloric acid small, easily soluble in water, in the water under the ionization completely colorless transparent, strong dilute solution show brown solution.

    硝酸酸性硫酸盐酸溶于水中完全电离,常温溶液无色透明溶液棕色

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  • UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.

    UHMWPE非氧化性硫酸硝酸浓度较大盐酸、磷酸、氢氟酸、甲酸、乙酸)、氨和胺及各种碱、盐溶液都好的性、两种材料都不强氧化性酸的腐蚀。

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  • The influence of experimental conditions, which were taking the pectin out by means of soaking the sugar-beet bagasse with dilute hydrochloric acid liquid was studied.

    本文讨论了利用稀盐酸甜菜渣浸提果胶实验条件对产率的影响

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  • Take up the residue in 2 quantities, each of 5 ml, of dilute hydrochloric acid R.

    供试品炽灼残渣分成份,每份加入5ml稀盐酸

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  • Take up the residue in 2 quantities, each of 5 ml, of dilute hydrochloric acid R.

    供试品炽灼残渣分成份,每份加入5ml稀盐酸

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