The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.
This article introduces micro - titration measuring method to replace the normal nonhydraulic titration method in measuring nicotine content in tobacco.
A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.
Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.
The effects of different methods and conditions on the structure and surface properties were studied by XRD, nonaqueous solution titration, and decoloring performance on orcein dye.
Set up a curvilineal equation of acid-base titration,and every pHysics meanings in the equation and factors of the effect its titrate suddenly jump range were discussed.