refined naphthalene

常見例句

The purity of refined naphthalene could be more than 99.5% by said fractional crystallization process.
通過分級結晶提純過程，可獲得純度達到99.5%以上的精萘產(chǎn)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%.
實驗結果表明，以陰離子表面活性劑形成的乳化液膜結合精餾可有效地將萘油制成精萘，萘含量大于99％，符合國家精萘標準，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.
主營：煤炭、冶金焦、煤焦油、煤瀝青、焦化苯、燃料油、混合油、精萘、工業(yè)萘、硫酸銨、輕苯、粗苯、洗油、蒽油等國標產(chǎn)品。