Hedp or EDTA which effect is good
HEDP (1-hydroxyethyl-1,1-diic acid) and EDTMPA (ethyleine tetharine) are two commonly used chelated agents, which are widely used in scaling and scale resistant agents. Although they all have good chelating performance, in different application scenarios, their effects may be different: HEDP: HEDP is an organic acid dirt -resistant agent, which is characterized by its strong chelating…