Replacement Reagent for Hardness (Total) Test Kit | Hanna HI3812-100

Replacement Reagent for Hardness (Total) Test Kit | Hanna HI3812-100 Descriptions : Hardness, total, EDTA titration method; Method: Titration; Smallest increment: 0.3 mg/L During testing, when colour change is achieved, under careful conditions - usually using a burette – the reagent is added, drop by drop, until the solution turns to the colour required. The user will then count how many drops of reagent were used to achieve complete colour change. The number of drops used will determine the chemical concentration and results can be found in the manual included. Chemical Method: EDTA; Weight: 460 g Range: 0.0 to 30.0; 0 to 300 mg/L Order Information: Reagent kit for 100 tests