粗蒽液相氧化制取蒽醌的方法。
A method for preparing anthraquinone from crude anthracene liquid oxide.
采用乳化结晶法,研究了粗蒽精制过程中溶剂、温度、助剂及分离时间的作用。
The effects of solvent, temperature, additive and separation time on the refinement process of crude anthracene by using emulsion-crystallization were reported.
自制粗茶多糖呈灰白色粉末状,用葡萄糖做标准曲线,蒽酮-硫酸法测定其含量为15%。
The crude TPS, extracted from green tea in this laboratory, was a kind of powdery and gray material, and contained polysaccharides about 15% by anthrone-vitriol method employed glucose as standard.
主要产品有蒽、萘、沥青、粗酚、苯、甲苯、二甲苯等。
Main products are anthracene, naphthalene, bitumen, crude carbolic acid, benzene, toluene and xylene etc.
方法水提醇沉法分离出粗多糖,采用蒽酮一硫酸法制得有色糖醛衍生物,用分光光度法进行含量测定。
Methods The polysaccharide were extracted with hot water and precipitated with alcohol, The contents of polysaccharide were determined by sulfuric acid-anthrone method by UV spectrophotometry.
主营:煤炭、冶金焦、煤焦油、煤沥青、焦化苯、燃料油、混合油、精萘、工业萘、硫酸铵、轻苯、粗苯、洗油、蒽油等国标产品。
Main business: coal, Metallurgical coke, Bituminous coal, coal tar pitch, Coking benzene, Fuel oil, Mixed oil, Refined Naphthalene, washed oil, Anthracene oil etc. GB products.
主营:煤炭、冶金焦、煤焦油、煤沥青、焦化苯、燃料油、混合油、精萘、工业萘、硫酸铵、轻苯、粗苯、洗油、蒽油等国标产品。
Main business: coal, Metallurgical coke, Bituminous coal, Coking benzene, Fuel oil, Mixed oil, Refined Naphthalene, washed oil, Anthracene oil etc. GB products.
主营:煤炭、冶金焦、煤焦油、煤沥青、焦化苯、燃料油、混合油、精萘、工业萘、硫酸铵、轻苯、粗苯、洗油、蒽油等国标产品。
Main business: coal, Metallurgical coke, Bituminous coal, Coking benzene, Fuel oil, Mixed oil, Refined Naphthalene, washed oil, Anthracene oil etc. GB products.
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