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(jié)晶提純過程，可獲得純度達(dá)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(shí)驗結(jié)果表明，以陰離子表面活性劑形成的乳化液膜結(jié)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(biāo)準(zhǔn)，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(biāo)產(chǎn)品。