Water hardness determn. compsn. - contg. sodium (bi)carbonate, titriplex and EDTA

摘要

Compsn. for determn. of hardness in water, hardness esp. in water leaving water-softening appts. comprises 995 mg NaHCO3 (or Na2CO3) 5 mg 'Complexon III' (EDTA) and 50 mg 'Murexide' per 100 doses. The compsn. according to this addn. has added 100 mg 'Titriplex' 20 mg EDTA instead of 5 mg and contains no 'Murexide'.