Kies Bladsy
Hoofgebruike van fenolftaleïen

Hoofgebruike van fenolftaleïen

1. Gebruik as 'n suur-basis-aanwyser en 'n aanwyser vir die bepaling van die suurwaarde van olie Fenolftaleïen het 'n baie interessante kleurveranderende reaksie. Onder suur-byna-neutrale toestande (pH0-8,2), fenolftaleïenmolekules dissosieer nie en is kleurloos. In the...
Synthesis of Trimethyl orthoacetate

Synthesis of Trimethyl orthoacetate

Trimethyl orthoacetate, also known as trimethoxyethane, is an important primary acid ester, the molecular formula (C5H12O3) is mainly used in medicine, plaagdoders, spices and other synthesis. The usual synthesis methods are acetonitrile process, which uses...
Synthesis Process Of Dichloroacetyl Chloride

Synthesis Process Of Dichloroacetyl Chloride

Dichloroacetyl chloride is an important intermediate in the production of insecticides and herbicides, and is also widely used in the field of auxiliaries and pharmaceutical synthesis. The main synthesis methods are dichloroacetate acyl chloride method and...