fuming sulfuric acid

常見例句

Results:In the esterification step, fuming sulfuric acid was used;
結(jié)果：酯化時(shí)使用發(fā)菸硫酸；
The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.
以廢聚苯乙烯（WPS）泡沫爲(wèi)原料，採(cǎi)用濃硫酸和發(fā)菸硫酸兩種磺化方法制備性能良好的砼減水劑。
The sample is dissolved in nitric and fluoric-hydro acid adding sulfuric acid, and heating up to fuming, then the matrix element titanium is separated with sodium hydroxide.
試樣用硝酸—?dú)浞崛芙?，硫酸冒菸後?qiáng)堿分離鈦、鉄、鎳離子，其餘乾擾離子用酒石酸鉀鈉掩蔽。