Method D511-09 is almost identical to method D1126-12 (Hardness in Water). D1126-12 is being annexed to include potentiometric titration and automatic colorimetric titration. Both of these methods can be revised using the same ILS and should be annexed at the same time.
Keywordsatomic absorption; calcium; complexometric; magnesium; spectrophotometry; titration; water; Calcium content--water; Complexometric analysis; Inorganic compounds--water; Magnesium content--water; Spectrophotometry--atomic absorption (water/wastewater); Titration;
Draft Under Development