EDTA DI SODIUM SALT N/10 SOLN Supplier Oman Muscat Barka Salalah Sohar Ruwi Mutrah Nizwa Al Hamra Manah

EDTA DI SODIUM SALT N/10 SOLN disodium salt of EDTA is preferred in hardness estimation mainly because it is more soluble in aqueous 

solutions which allows release of the EDTA ligand into solution to react.

The present invention provides process of preparing EDTA disodium salt. The process includes the following steps: 1. mixing ethylene diamine and sodium hydroxide and heating, dropping hydroxyl acetonitrile within 5 hr, reaction after finishing dropping for at least 30 min until releasing ammonia completely; 2. adding EDTA to regulate pH valueto 5-6;

EDTA DI SODIUM SALT N/10 SOLN Supplier Oman Muscat Barka Salalah Sohar Ruwi Mutrah Nizwa Al Hamra Manah

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