refined naphthalene

常见例句

The purity of refined naphthalene could be more than 99.5% by said fractional crystallization process.
通过分级结晶提纯过程，可获得纯度达到99.5%以上的精萘产品。
The naphthalene content of refined naphthalene obtained is above 99%, which meets its national standard of commodity. The recovery of naphthalene is above 88%.
实验结果表明，以阴离子表面活性剂形成的乳化液膜结合精馏可有效地将萘油制成精萘，萘含量大于99％，符合国家精萘标准，萘收率大于88％。
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。