Reagents

Special reagents for analysis are combined in the group Gnoste [Gnosis (γνῶσις), ancient Greek for knowledge)

Kalignost®

Kalignost

Kalignost – chemical name sodium-tetraphenylborate C24H20BNa – serves as a precipitating agent for potassium and is mainly used in chemical analyses for the titrimetric and gravimetric determination of potassium. In addition, other monovalent cations can be determined with this reagent.

 

Flavognost®

Flavognost

Flavognost – chemical name diphenylboronicacid-2-aminoethyl C14H16BNO – is used to determine flavonoids e.g. in tea or other natural materials.