Deskripsi
MERCK – 111142 Residual Hardness Test
- Method: colorimetric with color card 0.04 – 0.08 – 0.15 °d 0.05 – 0.1 – 0.19°e 0.7 – 1.4 – 2.7 mg/l CaCO₃ MQuant®
MERCK – 111142 Residual Hardness Test
- The residual hardness is measured semiquantitatively by visual comparison of the colour of the measurement solution with the colour fields of the colour card.
