您要查找的是不是:
- 薄層分析以薄層層析硅膠G為固定相,正己烷:二氯甲烷(9:1,v/v)為展開(kāi)劑。The optimal conditions of TLC were as follows: silica gel G as stationary phase, n-hexane-dichloromethane (9:1, v/v) as mobile phase.
- 硅膠Gsilica gel G
- 方法:薄層鑒別采用硅膠G薄層板,展開(kāi)劑:正己烷-醋酸乙酯-冰醋酸(6:4:0.25),顯色劑:10%硫酸乙醇溶液;Methods: Qualitative analysis by TLC, a mixed solvent of n-hexane - ethyl acetate - acetic acid(6:4:0.25) was employed as the mobile phase,color developing agent was 10%25sulfuric acid and ethanol solution.
- 以市售五個(gè)普通茶葉樣品為對照,采用薄層色譜分離白毛茶的多種生物嘌呤堿。 以乙酸乙酯:丙酮:氨水=4:3:1(V:V)為流動(dòng)相,硅膠G為固定相,展開(kāi)浸取后,用紫外分光光度法在273nm處測定其成分含量。with five sorts of common tea from market as comparison, with the color atlas of thin layer split the various biology of Baimao ea Piao Ling soda, with Yi acid Yi ester: Third ketone: Ammonia water = 4: 3: 1( V: V ) to flow appearance, silica gel G is stationary phase, spread out to soak take after, survey its composition content with the ultraviolet photometry of beam splitter in the place of 273 nm.
- 硅膠載體silica-gel carrier
- 堿性硅膠alkaline silica gel
- 酸性硅膠acidic silica gel
- 硅膠帶silicone band
- 硅膠-水Silica gel-water
- 硅膠片Silicon film
- 硅膠模Silicone rubber
- 廢硅膠waste silica gel
- 雙孔硅膠bimodal porous silica
- 鍵合硅膠bonded silica
- 硅膠C935britesorb C935
- 副產(chǎn)硅膠by- product silica gel
- 硅膠涂敷coated-silica
- 復合硅膠compound silica
- 細粒硅膠fine silica gel