Bromooctane was synthesized from industrial hydrobromic acid(48%) and n-octanol using concentrated sulfuric acid as catalyst.

以工业废氢溴酸(48%)为原料,浓硫酸存下,与正辛进行反应1-溴辛烷。

Ethyl lauryl alcohol respectively react with hydrobromic acid to product bromohydrocarbon,sulfuric acid for catalyst。

以正十氢溴酸为原料,浓硫酸的催化下,产溴十烷。

Methods Certain amounts of and Zn were put into the wastewater to produce hydrogen (H2) and the H2 reacted with S2-to form H2S, and sulfuret was separated from the wastewater.

方法废水样中加入一定量的浓硫酸锌粒,H2,利用H2S2-结H2S,以分离硫化物。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮丙酮为原料,用强酸性离子交换树脂代替浓硫酸作为催化剂,直接酯化乙酰丙酮的中间体乙酸异丙烯酯。

By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.

根据蜂蜡中的烃类浓硫酸中可被炭化，加入的石蜡等矿物蜡不被炭化来测定此类掺杂物。

The design parameters of anodic protection coolers and the reason why to choose a prepump process are presented.

介绍阳极保护浓硫酸冷却的设计参数,选用泵前流程的原因,重点讨论冷却水路的设计方案。