• The identification of Radix scutellariae was silica gel G plate, n-butanol-glacial acetic acid-water(7:1:2) as the development reagent, chloride ferric(1%) as color developing reagent.

    后者黄芩鉴别硅胶G薄层,正丁醇-冰乙酸-水(7:1:2)为展开剂,1%三氯化铁乙醇溶液

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  • The factors influencing gel electrolyte performance such as the content of silica and sulfuric acid and the temperature are mainly discussed.

    主要探讨了二氧化硅硫酸含量温度因素胶体电解质物化性能影响;

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  • The synthesis of i amyl acetate from i amylic alcohol and acetic acid using silica gel carrier acid as catalyst is reported.

    乙酸和异原料,采用硅胶载体催化剂合成乙酸异戊酯。

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  • Method:Conducted baicalin assaying in this drug by HPLC. Chromatogram condition:Selecting octadecyl Chemically bonded phase silica gel, Methanol:water; glacial acetic acid (40:60:1)as mobile phase.

    方法:采用高效液相色谱法对该药中的黄苓苷含量测定色谱条件选用十八烷基烷键合硅胶,以甲醇冰醋酸(40:60:1)。

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  • In this paper, we have studied the adsorption of benzoic acid and anthracene from binary mixed solvents; on silica gel and activated carbon.

    本文研究硅胶活性炭二元混合溶剂中吸附苯甲酸

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  • The invention involves preparation method of humic acid bonded silica gel, it bonds the humic acid on silica gel through the mean of embedding carboxyl groups.

    发明涉及一腐殖酸硅胶制备方法通过酰胺基团的方法将腐殖酸合 到硅胶

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  • The humic acid bonded silica gel has characteristics of larger penetrating capacity, high adsorbance per unit quality and high selectivity when it is used for solid phase abstraction.

    制备腐殖酸键合硅胶用于萃取,表现出穿透体积单位质量吸附选择性特点

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  • The invention has characteristics of simple synthesis and cheap raw material, and the performance of prepared humic acid bonded silica gel is stable.

    发明具有合成简单原料便宜特点制备腐殖酸键合硅胶性能稳定。

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  • The invention has characteristics of simple synthesis and cheap raw material, and the performance of prepared humic acid bonded silica gel is stable.

    发明具有合成简单原料便宜特点制备腐殖酸键合硅胶性能稳定。

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