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

以正十二醇和氢溴酸为原料,在浓硫酸催化下,生产溴十二烷。

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,在浓硫酸存在下,与正辛醇进合成1-溴辛烷。

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

介绍极保护浓硫酸冷计参数,选用泵前流程原因,重点讨论冷水路计方案。

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

根据蜂蜡中烃类在浓硫酸中可被炭化，加入石蜡等矿物蜡不被炭化来测定此类掺杂物。

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

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

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.

方法在废水样中加入一定量浓硫酸和锌粒,生成H2,利用H2和S2-结合生成H2S,以分离硫化物。